Setup getActiveDataSubscriptionId cache invalidation

Instrument SubscriptionController to trigger
invalidation of getActiveDataSubscriptionId caches when necessary.
Bug: 151953109
Test: Verified cache operated correctly when phone process is killed.
Test: atest SubscriptionControllerTest
Test: atest android.telephony.cts.SubscriptionManagerTest

Merged-In: I32d3f3db079207bacc159468bc1ee384682ddba6
Change-Id: I32d3f3db079207bacc159468bc1ee384682ddba6