Revert "Roll src/third_party/webrtc 760fd5249488..9bac68c0cc44 (1 commits)"

This reverts commit e5eb732c.

Reason for revert: https://crbug.com/1045466

Original change's description:
> Roll src/third_party/webrtc 760fd5249488..9bac68c0cc44 (1 commits)
> 
> https://webrtc.googlesource.com/src.git/+log/760fd5249488..9bac68c0cc44
> 
> git log 760fd5249488..9bac68c0cc44 --date=short --first-parent --format='%ad %ae %s'
> 2020-01-23 kron@webrtc.org Reland "Reland "Distinguish between send and receive codecs""
> 
> Created with:
>   gclient setdep -r src/third_party/webrtc@9bac68c0cc44
> 
> If this roll has caused a breakage, revert this CL and stop the roller
> using the controls here:
> https://autoroll.skia.org/r/webrtc-chromium-autoroll
> Please CC webrtc-chromium-sheriffs-robots@google.com on the revert to ensure that a human
> is aware of the problem.
> 
> To report a problem with the AutoRoller itself, please file a bug:
> https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug
> 
> Documentation for the AutoRoller is here:
> https://skia.googlesource.com/buildbot/+/master/autoroll/README.md
> 
> Bug: chromium:1029737
> Tbr: webrtc-chromium-sheriffs-robots@google.com
> Change-Id: Ia45c015c7d76de3c5fb72044f26a6c1457d9c74d
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2018041
> Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
> Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
> Cr-Commit-Position: refs/heads/master@{#734895}

TBR=chromium-autoroll@skia-public.iam.gserviceaccount.com,webrtc-chromium-sheriffs-robots@google.com

Change-Id: I255b09e0446b71e7146f09d0250b5962e6cd9f25
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:1029737, chromium:1045466
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2019407Reviewed-by: François Doray <fdoray@chromium.org>
Commit-Queue: François Doray <fdoray@chromium.org>
Cr-Commit-Position: refs/heads/master@{#734959}

DEPS

@@ -1501,7 +1501,7 @@ deps = {
     Var('chromium_git') + '/external/github.com/gpuweb/cts.git' + '@' + 'ec18cc3262922e7dcdbe70243c6f40606f979144',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '159c414ff8f6ae9b90abca6ab5cd9fce7a2a1801',
+    Var('webrtc_git') + '/src.git' + '@' + '760fd5249488a7a8698679a026b247423caa7cce',
 
   'src/third_party/libgifcodec':
      Var('skia_git') + '/libgifcodec' + '@'+  Var('libgifcodec_revision'),