Fix issue #22023824: Download folder is not created in internal storage

The media provider and some other things need to be given storage access.

Also, seems like we should give storage access to the camera app as well.

And add a dump dump command that will dump data about a particular
permission name.

Change-Id: Idaaa9bba2ff4dc95290cf6d17e5df933df91e909
6 files changed