Merge "Add a test AccessibilityService for A11Y IME API" into tm-dev am: b3c5be0d80

Original change: https://googleplex-android-review.googlesource.com/c/platform/development/+/17415121

Change-Id: I62e429a391dc93cb9193d150122cedc71fd61576
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>