Revert "Use injected clock in android_video_track_source"

This reverts commit 3b4a327fe1f6531050b6dc50c6573f20b587c91a.

Reason for revert: Breaks upstream

Original change's description:
> Use injected clock in android_video_track_source
>
> This adds Environment to the OwnedFactoryAndThreads for propagation to
> utilities created by the PeerConnectionFactory.
>
> Bug: webrtc:42223992
> Change-Id: I08550f7e06f77cdeeb911ec7fb3b94d26a6a6964
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/446602
> Auto-Submit: Evan Shrubsole <eshr@webrtc.org>
> Reviewed-by: Zoé Lepaul <zlep@webrtc.org>
> Commit-Queue: Zoé Lepaul <zlep@webrtc.org>
> Cr-Commit-Position: refs/heads/main@{#46842}

Bug: webrtc:42223992
Change-Id: I1593f606a408604f4f0acb835e31be5c366a45b6
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/446241
Commit-Queue: Zoé Lepaul <zlep@webrtc.org>
Reviewed-by: Zoé Lepaul <zlep@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Auto-Submit: Evan Shrubsole <eshr@webrtc.org>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Harald Alvestrand <hta@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#46845}