Prevent sharesheet from previewing unowned URIs [RESTRICT AUTOMERGE] (corrected)

This is the corrected cherry-pick of
2a08fce4 from master.

Bug: 261036568
Test: manually via supplied tool (see bug)
Change-Id: I1ac57c8eb2f509b19c278aacb8e88772095854f7
Merged-In: I83e93c373538460e38ec17f1fd8e39d7aea95c10