[TESTING ONLY] mm-video-v4l2: vdec: only streamoff while freeing

Dependency commit
mm-video-v4l2: vdec: only streamoff while freeing if target allows it
https://github.com/temasek/android_hardware_qcom_media/commit/d47b2e242c8279c84f633c5bfc507064f1325307

This is for testing only