Revert "Roll WebRTC from 0bb26390604e to 24a53a05a52d (3 revisions)"

This reverts commit ed6fd705.

Reason for revert: New WebRTC test failure on WebKit Mac10.13 test bot started after the new roll.
https://ci.chromium.org/p/chromium/builders/ci/WebKit%20Mac10.13%20%28retina%29/31755 


Original change's description:
> Roll WebRTC from 0bb26390604e to 24a53a05a52d (3 revisions)
> 
> https://webrtc.googlesource.com/src.git/+log/0bb26390604e..24a53a05a52d
> 
> 2020-07-28 dminor@webrtc.org Fix division by zero in I420Buffer::CropAndScaleFrom
> 2020-07-28 hbos@webrtc.org [Perfect Negotiation] Implement non-racy version of SetLocalDescription.
> 2020-07-28 sakal@webrtc.org Delete dead code from JNI audio header.
> 
> 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/+doc/master/autoroll/README.md
> 
> Bug: chromium:1071733
> Tbr: webrtc-chromium-sheriffs-robots@google.com
> Change-Id: I7f2478c5f1258a935467101742f6bd5cb5f68f56
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2323241
> 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@{#792358}

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

Change-Id: Ieced76c106cffe3dc7207eed3937356c3df51e5f
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:1071733
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2324887Reviewed-by: Kevin Marshall <kmarshall@chromium.org>
Commit-Queue: Kevin Marshall <kmarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#792416}

DEPS

@@ -1476,7 +1476,7 @@ deps = {
   },
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '24a53a05a52d37fbb5418958f34bda6d8ebb073d',
+    Var('webrtc_git') + '/src.git' + '@' + '0bb26390604ec8589a1986f0fbc52749523b38bd',
 
   'src/third_party/libgifcodec':
      Var('skia_git') + '/libgifcodec' + '@'+  Var('libgifcodec_revision'),