Merge "Make Back arrow stroke appear earlier" into udc-dev am: b185da2a am:...

Merge "Make Back arrow stroke appear earlier" into udc-dev am: b185da2a am: e6d6d264 am: 531565e6

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23381398



Change-Id: I281efd9289c771124e27d7df95afc2a2dc60fe05
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>