Merge "Keep system bar layout stable for rtl languages" into rvc-dev am:...

Merge "Keep system bar layout stable for rtl languages" into rvc-dev am: cf3274b3 am: a606ff29 am: eb50ccf8

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11708146

Change-Id: I7100e3ba796ba3977485e1ddcdba9afc8d650ee7