Merge "Fix low contrast on work challenge screen emergency call button" into udc-dev am: a34a510a

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/23601981



Change-Id: I452681812b4be6dccae36f3ec711e992a31b9924
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>