We've seen a lot of apps requesting access to this location, so we have this patch that applies the context for this path. This also helps mitigate if you use some recovery tool to wipe userdata, which on some recoveries does not include the media location.
https://bitbucket.org/seandroid/frameworks-native/pull-request/1/allow-for-the-labeling-of-data-media/diff -- Respectfully, William C Roberts
