p1c: misc updates

- hacky fix for data usage stats
- use common recovery.rc
- use open source libGLES_android.so
- remove dead/useless code

Change-Id: I853b042edbc9311ad195a8d20b55c898cd4ab2b8
Merge remote-tracking branch 'upstream/cm-10.1' into cm-10.1

Conflicts:
	proprietary-files.txt (deleted)