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

Merge "Show floating rotation button in sticky immersive mode if taskbar is used" into tm-qpr-dev am: 04fd3493 am: 80f4d0f8

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19581774



Change-Id: I49338977753b4b3fc6dcef4c322805d50b08d622
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>