mondrianwifi: camera: Bulk update from the stock kernel

Change-Id: I3af6aff6bb489717d3018b56e03d6e4db6cf48e5
Revert "mondrianwifi: Temporarily disable the camera (doesn't compile)"

This reverts commit df8b3c38f59c126886923bfbebcb62c4672ce247.
mondrianwifi: battery: Turn off debug logging

Change-Id: I07f8f79d9ab530616c64a0730c155a11d8e9d0fd