V4L2Device: Increase max /dev/video device index from 9 to 15 am: 95568fdc am: 309f289e am: 895f244b am: 83ef3f77 am: 560dd375 Original change: https://android-review.googlesource.com/c/platform/external/v4l2_codec2/+/1882080 Change-Id: Ic02850f09c51c9f1827cdeed963c2e2dc5c7ee55