[automerger skipped] Restrict legacy apps to insert files to other private app dirs am: 220971d4e9 -s ours am: d04d37db17 -s ours am: 21f3a0a1bf -s ours

am skip reason: Merged-In I52481b24b137790d49845f1a4b00978c63ed183b with SHA-1 098e5ab1fd is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/providers/MediaProvider/+/16487368

Change-Id: I908851fd187e879e5dc1b535be6071406a40dc7e