Verify URI permissions for notification shortcutIcon.

Bug: 277593270
Test: atest NotificationManagerServiceTest
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:041d6d022af1b5968a19b6bc101f3f6643b2a56d)
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:f2196093cc67eb31ba624f71a6d1fc0c4b7b99fc)
Merged-In: Iaf2a9a82f18e018e60e6cdc020da6ebf7267e8b1
Change-Id: Iaf2a9a82f18e018e60e6cdc020da6ebf7267e8b1