Handle system app update removals by clearing AppSearch data.

This is implemented by handling the ACTION_PACKAGE_REMOVED broadcast
with EXTRA_REPLACING && EXTRA_DATA_REMOVED as if it was a DATA_CLEARED.

Bug: 443737331
Test: AppSearchManagerServiceReceiverTest.java and manually via emulator
Flag: com.android.appsearch.flags.disable_action_package_removed_pruning
Change-Id: Idb900a09d065a42453794572fb58947b185b0343
5 files changed