Expose requestModemActivityInfo

Expose requestModemActivityInfo in TelephonyManager using the Executor +
Consumer pattern, and modify clients to use it.

Test: atest TelephonyManagerTest#testRequestModemActivityInfo
Fixes: 170427831
Change-Id: I7e8134c8058017b888c324a9f85d473fc3cdd8f5
Merged-In: I7e8134c8058017b888c324a9f85d473fc3cdd8f5
9 files changed