Merge "Tune floating rotation button size" into tm-qpr-dev am: 7ef33291 am: 55cd1d8a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18662069



Change-Id: I3d95b2c7fa253e737f935beed8571f51774e669f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>