Merge "Notify dispatcher when its configuration needs to be updated" into udc-dev am: 8db57bf9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/22761147



Change-Id: I81d4d9a1ee4e349ce561e9bc20a81f008b1171cd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>