Merge "Transfer IME target right away if old target was home" into rvc-dev am: 3fdab33548 am: 38415df26e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11992999

Change-Id: I6b59e549de73ff217309b9a68d2ff8b7b8548614