Merge "Camera2 Legacy: Set a default thumbnail size" into lmp-dev

        m.set(CaptureRequest.LENS_FOCAL_LENGTH,

                c.get(CameraCharacteristics.LENS_INFO_AVAILABLE_FOCAL_LENGTHS)[0]);

        /*

         * jpeg.*

         */

        // jpeg.thumbnailSize - set smallest non-zero size if possible

        Size[] sizes = c.get(CameraCharacteristics.JPEG_AVAILABLE_THUMBNAIL_SIZES);

        m.set(CaptureRequest.JPEG_THUMBNAIL_SIZE, (sizes.length > 1) ? sizes[1] : sizes[0]);

        // TODO: map other request template values

        return m;

    }