Merge "Revert "Revert "Remove IME surface when occured in multi-window mode""" into rvc-dev am: 8ec4d3a33f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11862408

Change-Id: I4c25f9752a8c2584754cc83579a7d8975da772e4