add SimActivationTracker for voice/data act state

- new activationtracker module to keep track of states
- interact with notifier/phoneStateListeners
- add unit test for simActivationTracker

Bug: 31061369

Test: runtest --path frameworks/opt/telephony/tests/telephonytests/src/com/android/internal/telephony/SimActivationTrackerTest.java

Merged-in: CHANGE-ID I1d12901a3aafd2e02337febeff6ebca4ee86d674
Change-Id: I4a4ad0f36a575fedd530a70e654a9fd58c092dc0