Merge "Support split resizing while showing floating IME panel" into udc-dev am: 0bfa21fe

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21505341



Change-Id: Ibbaa901ac204ba7940d6591c8dadca56e70df438
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>