Björn Terelius b79b74e08b Revert "Remove ISAC media constant and payload type mapping"
This reverts commit 4c7271aafef89f62381f502f094e2a30421b2498.

Reason for revert: Breaks downstream test

Original change's description:
> Remove ISAC media constant and payload type mapping
>
> following the removal of ISAC from the code base.
>
> BUG=webrtc:14450
>
> Change-Id: I6faab5391bf0ef563c5dcce0bd5d8a653a87d9c8
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/294523
> Reviewed-by: Alessio Bazzica <alessiob@webrtc.org>
> Reviewed-by: Harald Alvestrand <hta@webrtc.org>
> Commit-Queue: Philipp Hancke <phancke@microsoft.com>
> Cr-Commit-Position: refs/heads/main@{#39378}

Bug: webrtc:14450
Change-Id: Idccd0ad7a05828f1be6db2071878c64d9bd37f33
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/294742
Auto-Submit: Björn Terelius <terelius@webrtc.org>
Commit-Queue: Björn Terelius <terelius@webrtc.org>
Bot-Commit: rubber-stamper@appspot.gserviceaccount.com <rubber-stamper@appspot.gserviceaccount.com>
Owners-Override: Björn Terelius <terelius@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#39380}
2023-02-23 15:00:38 +00:00
..