Merge "Do not forward & register IME compat back callback in the app process." into udc-dev am: 46890aaa am: 396a3482

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21594438



Change-Id: Ia38bbca7c5fe14442674159353c2794b5935ce1c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>