libstagefright: Allow using camera recording buffer as input for encoder
https://github.com/AOKP/frameworks_av/commit/6ff89df471919021f27131c37d79140095c20931
Can be enabled with global cflag SEMC_ICS_CAMERA_BLOB

Change-Id: I6e0eca65cd3bccae3638e9d175c4d47ef52f9f1d