Merge "Fix that AccessibilityServiceConnection#serviceInterface may be invalid in the async" am: 700fb9ebeb am: bf6cc67976 am: 481964bf2c am: 8a39104e92

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1870459

Change-Id: Id1e48b5fd14aa2371bfeb43f938b611824308a39