Revert "Revert "Fix SecurityException while accessing Slice Uris""

This reverts commit 52ac47d9.

Reason for revert: This CL is what we wanted to merge in RVC and has already got Code-Review +2, Owner-Approval, and DrNo-Review from other folks regardless of the accident.

Bug: 159195420
Change-Id: I6c646269cd3e13e015dcc06418e21db66372e680