hlte-common: update DRM blobs to official samsung lollipop
hlte-common: update adreno blobs to lollipop
[EXPERIMENT] Enable Ambient Display
Enable hardware keys enable/disable through overlay
Merge branch 'cm-12.0' of github.com:temasek/android_device_samsung_hlte-common into dxc0/cm-12.0

Conflicts:
	overlay/frameworks/base/core/res/res/values/config.xml

Change-Id: Id60dd9be39213c1f0b9143e71f1a5387bc1f49e9