API level 30 upgrade: AOSP Dialer

The various AndroidManifest.xml files of the AOSP Dialer
app have been upgraded so that their targetSdkVersion
is 30.

Test: manual - the Dialer app build, initialized, and
ran successfully with the UI features functioning properly.
CTS provider tests were also run and the output is seen below:

================= Results ==================
=============== Consumed Time ==============
    arm64-v8a CtsProviderTestCases: 9m 48s
Total aggregated tests run time: 9m 48s
============== TOP 1 Slow Modules ==============
    arm64-v8a CtsProviderTestCases: 0.64 tests/sec [376 tests / 588562 msec]
============== Modules Preparation Times ==============
    arm64-v8a CtsProviderTestCases => prep = 10306 ms || clean = 2287 ms
Total preparation time: 10s  ||  Total tear down time: 2s
=======================================================
=============== Summary ===============
Total Run time: 11m 22s
1/1 modules completed
Total Tests       : 376
PASSED            : 362
FAILED            : 0
IGNORED           : 6
ASSUMPTION_FAILURE: 8
============== End of Results ==============

Change-Id: I56ad0467ffb78ad723eaf25e9f5477def2ce9f68