Merge "Don't set relative z of window to IME if starting window" into rvc-dev...

Merge "Don't set relative z of window to IME if starting window" into rvc-dev am: e1da24b5 am: b7f4201e am: a68eb325 am: 65e80f76

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11852826

Change-Id: If9c4bec2e4997448cc18f2e8be42f75279746fdf