Merge "Revert "Allow hiding the IME navigation bar"" into udc-qpr-dev am: b6a5436a am: bdb80183

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24445231



Change-Id: I220e1656edb4aca6c3248dcf0cde97e39ba5c920
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>