Restore building Camera HAL
Bring back basic sepolicy
m7-common: update paths for qc-opt

Change-Id: If85c328fd37456a03e5fc440257e56d3dabbda31
m7-common: signal audio HAL that mount is complete

Change-Id: Ifd68f6cbbbf60b4a576492b3c8dfcb37b9aa3a23
Revert "Bring back basic sepolicy"

This reverts commit 73ef25e32a87d4406277cbf533b986bcb18b633c.