[automerger skipped] Prevent sharesheet from previewing unowned URIs [RESTRICT AUTOMERGE] am: cef32a8b8a am: e3a9a71287 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21534012

Change-Id: Ibf9751154f2f2f7fd1871f2d3339b8fa1cd16bfd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>