Merge "Check URIs in notification public version." into udc-dev am: 3b585fc1 am: ea5c0e32

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23242265



Change-Id: I5a1e27036c5a3ce7a0b6fdec782f9e100892d0f7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>