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: ed02b740 am: c1fa5d94 am: 57b3322a

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

Change-Id: I3677c20434b06b9bc17460b1eba38d25c891370d