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
Change-Id: I1d12901a3aafd2e02337febeff6ebca4ee86d674