Fix Icon size in DocumentsUI

For XXHDPI devices if you go into Settings/Display and Notification light and select a custom value (application) you will see a GIANT icon.

Before - http://i.imgur.com/DRkua3T.png

After - http://i.imgur.com/f7xW4tY.png

Change-Id: Ia355bddc515906134c8b3b4e67d381aaacceec78
Add support for ICS camera blobs

foreported from https://gerrit.omnirom.org/#/c/901/ for legacy devices

Change-Id: Icf9010f4b6059405275107fadd5aac81cd294182
Merge "Add support for ICS camera blobs" into android-4.4
Merge "Fix Icon size in DocumentsUI" into android-4.4
Merge remote-tracking branch 'cm/android-4.4' into android-4.4