Merge "Call route selected/unselected callbacks" into sc-dev am: 9f333ab2 am: 8119c01d am: e7e106ff

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14957149

Change-Id: If2b7d8b86a5cbc77a8fa24a430b3364367428ac3