RESTRICT AUTOMERGE: Check URI permissions for resumable media artwork

When resumable media is added that has artwork set via URI, check the
permissions for the URI before attempting to load it

Test: atest MediaDataManagerTest UriGrantsManagerServiceTest
Test: manual with test app
Bug: 284297452
Change-Id: Ie79915d3d1712f08dc2e8dfbd5bc7fd32bb308a3
Merged-In: Ie79915d3d1712f08dc2e8dfbd5bc7fd32bb308a3