Prevent sharesheet from previewing unowned URIs [RESTRICT AUTOMERGE]

Bug: 261036568
Test: manually via supplied tool (see bug)
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:cef32a8b8ad109cd3066e4ad249fadbb72aa5574)
Merged-In: Iee1a75ef6ecbf471badeb42d8ebea11e74d884c1
Change-Id: Iee1a75ef6ecbf471badeb42d8ebea11e74d884c1
1 file changed