mm-video-v4l2: Enable arbitrary bytes mode using platform config

-Remove support for enabling arbitrary bytes mode using adb
 properties.
-Add support for validating if the arbitrary bytes mode is
 supported for the current hw codec or not.

CRs-Fixed: 2212574
Change-Id: I2c1f69b12506c29447e7a9c3de66294b764645c3

• conf_files/msmnile/system_properties.xml[diff]
• libplatformconfig/PlatformConfig.h[diff]
• mm-video-v4l2/vidc/vdec/inc/omx_vdec.h[diff]
• mm-video-v4l2/vidc/vdec/src/omx_vdec_v4l2.cpp[diff]