fix graphic artifacts when rotating

Change-Id: I69785853517004d45ed57d84714a104e4dbd111a
disable_gl_preload is not neccessary

Change-Id: I6155681946accbc25f164e2da282ed17e6fef107
remove own camera_metadata{,_tags}.h, use the cm-11 ones instead

Change-Id: Iac4d9a490cd1869d39f6571d09f42deba323f9f4
add include-path for camera_metadata{,_tags}.h to OMXCameraAdapter

Change-Id: I275207ce5bf45806fdf19e0e6fdd8d455e06b056