Merge "Add subsample offset to the exposed MediaFormat" into rvc-dev

            // format for convenient use from ExoPlayer.

            result.setString("crypto-mode-fourcc", format.drmInitData.schemeType);

        }

        if (format.subsampleOffsetUs != Format.OFFSET_SAMPLE_RELATIVE) {

            result.setLong("subsample-offset-us-long", format.subsampleOffsetUs);

        }

        // LACK OF SUPPORT FOR:

        //    format.containerMimeType;

        //    format.id;

        //    format.metadata;

        //    format.stereoMode;