AOSP/DeskClock - Updated to sdkVersion 29.

BUG: 133177396
BUG: 143990962

Test: manual - Tested the DeskClock UI manually and tested the alarm, stopwatch and timer.

$ make -j 40

$ ls -l out/target/product/generic/system/product/app/DeskClock/DeskClock.apk
-rw-r--r-- 1 rtenneti primarygroup 6432279 Nov  6 19:07 out/target/product/generic/system/product/app/DeskClock/DeskClock.apk

$ adb install -r out/target/product/generic/system/product/app/DeskClock/DeskClock.apk

+ Verified by setting up the alaram and waiting for the alarm to go off. "Clock has stopped" wasn't displayed. Noted there were no exceptions in the logs. (b/135587258)

Change-Id: Ic946cb58ddc8430c034b73854080c586a1939d4a