Merge "Update the style of navigation button" into rvc-dev am: b5ec9c4d am: 98d04627 am: d7978542 am: d61acc7a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11818599

Change-Id: Ia6060ac4c38e86f4c2a720602947cc607d4a65cd