sheenachhabra 8a758c2ed7 Replace setModificationTime API with setTimestampData in Mp4Muxer
The new API will take both `creation time` and `modification time`.

Till now, Mp4Muxer wrote `modification time` in both
`creation time` and `modification time` field, which was
incorrect.

PiperOrigin-RevId: 605590623
2024-02-09 04:15:53 -08:00
..