Write frames directly to disk in VideoFileRenderer.
Write frames directly to disk in VideoFileRenderer.

Storing raw frames in memory leads to the application running out of
memory during long running tests.

Bug: b/80409365
Change-Id: I9fea171dc76cf0b3b6bba64c60a91353f69fafaa
Reviewed-on: https://webrtc-review.googlesource.com/79581
Reviewed-by: Paulina Hensman <8716904445b72e60995625bd0c8aafd9b5269e8a@webrtc.org>
Commit-Queue: Sami Kalliomäki <b9debeb8943b89663e00c95863751401cba91c9a@webrtc.org>
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#23430}
TimothyGu/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc