Media provider clears binder id calling in other providers

The media provider can call into the downloads provider which
runs in the same process from an IPC. In this case the
permission and ap ops checks in the downloads provider will
be verified against the caller of the media provider instead
of against the media provider itself.

bug:22629557

Change-Id: I444a2db96353f50c60cd1d7bb20538ab7d463a1e
2 files changed