Danil Chapovalov e6b3f48a06 Reland "Move leb128 helper functions into own build target"
This is a reland of commit fa962ffc698bda5bc7306ac5c3fd626eef737775

Original change's description:
> Move leb128 helper functions into own build target
>
> to remove duplicated implementation of these functions between av1 packetizer, av1 depacketizer and video allocation rtp header extension
>
> Bug: None
> Change-Id: I30049f31c289bdb9e0aad6520f5145d1f999e635
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/290731
> Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
> Reviewed-by: Philip Eliasson <philipel@webrtc.org>
> Cr-Commit-Position: refs/heads/main@{#39069}

Bug: None
Change-Id: I091276868599a6716407db2972457507ddd46a8c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/290961
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#39135}
2023-01-18 12:44:46 +00:00
..
2022-07-05 09:44:53 +00:00
2022-07-18 12:09:31 +00:00
2022-09-27 15:05:51 +00:00