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: 3bb09cb3 am: e1075409

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



Change-Id: I1df8265cb929626510adfb1fabd3cedbbeb6e48f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>