Revert "Revert "Revert "MediaProvider: read fat volume id from prop"""

This reverts commit 9258971980af9d5c43f54d2643020f834464629b.
MediaProvider: Stop force closing when an SD card is inserted

MediaProvider still accesses the SD card perfectly fine as long as this annoying exception is gone.

Signed-off-by: Sultanxda <sultanxda@gmail.com>

Conflicts:
	src/com/android/providers/media/MediaProvider.java