Merge "Merge "Update Back arrow colors" into udc-dev am: 60321d82 am:...

Merge "Merge "Update Back arrow colors" into udc-dev am: 60321d82 am: 07da5ac1 am: bd3725d6" into udc-qpr-dev-plus-aosp am: 5c95856e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23500449



Change-Id: I04b31fc2481bbdf86b4fb5b6285381e90d9e01cc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>