Merge "Revert "Add new APIs to provide a hint to the AccessibilityServi..."" into udc-dev am: 90b21ce6 am: 23e7a38c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22190979



Change-Id: I8015eb7f34d6b5e210e0ae63e4e96f4dd080d8f9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>