dlx: Various camera fixes
* Disable camera hacks as we are now using updated blobs
* Update led permissions
* Use m7 camera wrapper as it has fixes for newer blobs
* Update camera overlay

Change-Id: Ie9d291397a61590b9a71d0b6b276630c50a0cc04
Merge branch 'RootBox' of github.com:torrented/android_device_htc_dlx into RootBox