Merge "Do not set different gravity for non-moveable nav bar" into udc-dev am:...

Merge "Do not set different gravity for non-moveable nav bar" into udc-dev am: 64c27756 am: 5369328b am: 1fee2452 am: c1aeebfa

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22954523



Change-Id: I42cc926ec9df0e18ba4ba109e92b998e9b65ef2b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>