Added android.service.contentcapture.ActivityEvent.TYPE_ACTIVITY_STOPPED

Test: atest ChildlessActivityTest#testLaunchAnotherActivity_onTopOfIt
Test: atest CtsContentCaptureServiceTestCases # sanity check

Fixes: 128546985

Change-Id: I98baf8332bec3e75e43a08a6785e5ec77cfb6f7d
4 files changed