Merge "Show floating rotation button in sticky immersive mode if in gesture...

Merge "Show floating rotation button in sticky immersive mode if in gesture nav" into tm-qpr-dev am: 21fc900a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18670921



Change-Id: Ifdd79f33cae2751131c79113463d006f0f188b1b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>