Merge "PIP window cant be ime target." into rvc-dev am: 466a3e5bfa am: fab1b64f3f am: 2ad5542036 am: 8a3f103852

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11604119

Change-Id: I73aec94a193c896ed287fafcdd25fdc587f8b610