[automerger skipped] Restrict legacy apps to insert files to other private app dirs am: 220971d4e9 -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: I5346f66c5995c624cfd8fd7f9f08e5f6b97fa91d