rhine: Enable audio offload

Change-Id: Ia25f7d9da1d2f11c6ac86600f31abe1f2004920a
rhine: Remove unnecessary hwcomposer flags

Change-Id: I682aff2d07407bfca285eb89fffcb0d7619f0c55
rhine: Use Sony camera workaround hack

Change-Id: Ic503d54e77b6f4e6d655ca4f09783812657977c0
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_device_sony_rhine-common into kk_mkt