
Also added the test to `MP4PlaybackTest`. PiperOrigin-RevId: 459492188 (cherry picked from commit a1665841fc90e979af427f9da0b8398d56cc6632)
Also added the test to `MP4PlaybackTest`. PiperOrigin-RevId: 459492188 (cherry picked from commit a1665841fc90e979af427f9da0b8398d56cc6632)