Merge "SurfaceMediaSource: use the vid enc usage bit" into ics-mr1

        USAGE_HW_RENDER         = GRALLOC_USAGE_HW_RENDER,

        USAGE_HW_2D             = GRALLOC_USAGE_HW_2D,

        USAGE_HW_COMPOSER       = GRALLOC_USAGE_HW_COMPOSER,

        USAGE_HW_VIDEO_ENCODER  = GRALLOC_USAGE_HW_VIDEO_ENCODER,

        USAGE_HW_MASK           = GRALLOC_USAGE_HW_MASK

    };