SurfaceComposerClient: bring back getDisplayWidth, Height & Orientation

enable it with either ICS_CAMERA_BLOB or MR0_CAMERA_BLOB CFLAG

Change-Id: Ieb5d36ad2a87ed1f0aa28ae3afbd5d48c880d6ab
Merge branch 'cm-10.1' of git://github.com/CyanogenMod/android_frameworks_native.git into cm-10.1