DeskClock: Squashed AOSP changes before java app was removed.

* This includes all the java changes that were made to DeskClock
  during the conversion to kotlin.

Squash of the following:

AOSP/DeskClock - Add Kotlin code for alarmclock/ files

Test: none currently, DeskClockKotlin target builds successfully, testing is a work in progress

BUG: 157255731

Original-Change-Id: I4c245d209ac733c4fb5ec527bc9ed84444b8cbd6

AOSP/DeskClock - Add Kotlin file for DataModel

Test: manual - Ran the following on Sargo phone. Tested all app
interactions (alarms, stopwatch, timer, cities, settings).

$ source build/envsetup.sh
$ lunch aosp_sargo-userdebug
$ make DeskClockKotlin -j
$ adb install out/target/product/sargo/product/app/DeskClockKotlin/DeskClockKotlin.apk

BUG: 157255731
Original-Change-Id: I2fe53bbdddc9f473ece01bacb386e9ad08efcdc7

AOSP/DeskClock - Add Kotlin file for RingtonePickerActivity

Test: manual testing by running the following (1) on Sargo phone and testing
the UI, also unit tests ran as follows (2)

(1)
$ source build/envsetup.sh
$ lunch aosp_sargo-userdebug
$ make DeskClockKotlin -j
$ adb install out/target/product/sargo/product/app/DeskClockKotlin/DeskClockKotlin.apk

(2)
$ make DeskClockTests
$ adb install
out/target/product/sargo/testcases/DeskClockTests/arm64/DeskClockTests.apk
$ adb shell am instrument -w com.android.deskclock.tests

BUG: 157255731
Original-Change-Id: I1eff3fe6e19a19aa35c6fbda541bce72b369b6ae

AOSP/DeskClock - Add Kotlin files for TimerService, SetupView, Receiver

Additionally, a small bug was fixed in the TimerModel and DataModel
Kotlin code (found by new unit tests).

Test: manual, ensuring the DeskClock UI is correct, also unit tests were
run as follows

$ source build/envsetup.sh
$ lunch aosp_sargo-userdebug
$ make DeskClockKotlin -j
$ adb install out/target/product/sargo/product/app/DeskClockKotlin/DeskClockKotlin.apk
$ make DeskClockTests
$ adb install out/target/product/sargo/testcases/DeskClockTests/arm64/DeskClockTests.apk
$ adb shell am instrument -w com.android.deskclock.tests

BUG: 157255731
Original-Change-Id: I82a4836ab55281a73168d35ea4f50d39279ce5da

AOSP/DeskClock - Add Kotlin files for Timer classes

Test: manual, ensuring the DeskClock UI and Timers function correctly,
as well as unit tests, ran as follows

$ source build/envsetup.sh
$ lunch aosp_sargo-userdebug
$ make DeskClockKotlin -j
$ adb install out/target/product/sargo/product/app/DeskClockKotlin/DeskClockKotlin.apk
$ make DeskClockTests
$ adb install out/target/product/sargo/testcases/DeskClockTests/arm64/DeskClockTests.apk
$ adb shell am instrument -w com.android.deskclock.tests

BUG: 157255731
Original-Change-Id: Idb33290c6bf11ee6147f547c85b5f6e3859c17b7

AOSP/DeskClock - Add Kotlin file for ExpiredTimersActivity

Test: manual, tested the DeskClock UI including running timers to
expiration. Also ran the unit tests as follows

$ source build/envsetup.sh
$ lunch aosp_sargo-userdebug
$ make DeskClockKotlin
$ adb install out/target/product/sargo/product/app/DeskClockKotlin/DeskClockKotlin.apk
$ make DeskClockTests
$ adb install out/target/product/sargo/testcases/DeskClockTests/arm64/DeskClockTests.apk
$ adb shell am instrument -w com.android.deskclock.tests

BUG: 157255731
Original-Change-Id: I93ec96bae36dc353c0c252c0ef6769965a7172e7

AOSP/DeskClock - Add Kotlin file for TimerFragment

Test: manual, tested the DeskClock UI and Timers specifically. As well,
unit tests were ran as follows

$ source build/envsetup.sh
$ lunch aosp_sargo-userdebug
$ make DeskClockKotlin
$ adb install out/target/product/sargo/product/app/DeskClockKotlin/DeskClockKotlin.apk
$ make DeskClockTests
$ adb install out/target/product/sargo/testcases/DeskClockTests/arm64/DeskClockTests.apk
$ adb shell am instrument -w com.android.deskclock.tests

BUG: 157255731
Original-Change-Id: Ib3769584161d6e712a8eafde977f58b3c55f69e3

AOSP/DeskClock - Add Kotlin for FormattedStringModel, PeriodicCallbackModel

Test: manual - Tested the DeskClock UI. As well, unit tests were ran as
follows

$ source build/envsetup.sh
$ lunch aosp_sargo-userdebug
$ make DeskClockKotlin
$ adb install out/target/product/sargo/product/app/DeskClockKotlin/DeskClockKotlin.apk
$ make DeskClockTests
$ adb install out/target/product/sargo/testcases/DeskClockTests/arm64/DeskClockTests.apk
$ adb shell am instrument -w com.android.deskclock.tests

BUG: 157255731
Original-Change-Id: I7cc4fb5aa20cd32be51e65de1b2b6a12a7cfa795

AOSP/DeskClock - Add Kotlin for Tab related UI Data files

Test: manual - Tested the DeskClock UI and tab interactions. As well,
unit tests were run as follows

$ source build/envsetup.sh
$ lunch aosp_sargo-userdebug
$ make DeskClockKotlin
$ adb install out/target/product/sargo/product/app/DeskClockKotlin/DeskClockKotlin.apk
$ make DeskClockTests
$ adb install out/target/product/sargo/testcases/DeskClockTests/arm64/DeskClockTests.apk
$ adb shell am instrument -w com.android.deskclock.tests`

BUG: 157255731
Original-Change-Id: Ibd7871edf20e548a1cd548246f0a6be88f5cfb88

AOSP/DeskClock - Add Kotlin file for CitySelectionActivity

Test: manual - tested DeskClock UI. As well, tests were run as follows

$ source build/envsetup.sh
$ lunch aosp_sargo-userdebug
$ make DeskClockKotlin
$ adb install out/target/product/sargo/product/app/DeskClockKotlin/DeskClockKotlin.apk
$ atest DeskClockTests

BUG: 157255731
Original-Change-Id: I3bd0952f753130e655d1b9f3c911863f34e6e41a

AOSP/DeskClock - Add Kotlin files for BaseActivity, CircleButtonsLayout

Test: manual - Tested the DeskClock UI. As well, tests were run as
follows

$ source build/envsetup.sh
$ lunch aosp_sargo-userdebug
$ make DeskClockKotlin
$ adb install out/target/product/sargo/product/app/DeskClockKotlin/DeskClockKotlin.apk
$ atest DeskClockTests

BUG: 157255731
Original-Change-Id: I019825f173305756633389a26a0bb0e973f2172c

AOSP/DeskClock - Add Kotlin file for DeskClock class

The onNewIntent call in TimerFragmentTest was changed to setIntent since the
visibility of the protected onNewIntent method in Kotlin was more
restrictive than before.

Test: manual - Tested the DeskClock UI. As well tests were ran as
follows

$ source build/envsetup.sh
$ lunch aosp_sargo-userdebug
$ make DeskClockKotlin
$ adb install out/target/product/sargo/product/app/DeskClockKotlin/DeskClockKotlin.apk
$ atest DeskClockTests

BUG: 157255731
Original-Change-Id: I9711dd8068a29fc0a25ee1f364ecb1b6ef326d6a
Change-Id: I3d63f95cffc257734f803683d477bf3ecf88f208