Cache getDefaultDataSubscriptionId Binder calls

Use PropertyInvalidatedCache to avoid redundant
calls to SubscriptionController.getDefaultDataSubscriptionId
Bug: 151953109
Test: Verified cache operated correctly when phone process is killed.
Test: atest SubscriptionControllerTest
Test: atest android.telephony.cts.SubscriptionManagerTest

Merged-In: Ifbd380a9281d7bc9c3a9b35c5e93207acabf8d15
Change-Id: Ifbd380a9281d7bc9c3a9b35c5e93207acabf8d15