Roll WebRTC from b54debc350a1 to fc6b87192db6 (1 revision)

https://webrtc.googlesource.com/src.git/+log/b54debc350a1..fc6b87192db6

2021-01-05 hta@webrtc.org Make the JsepSessionDesription clone() method copy candidates.

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: None
Tbr: webrtc-chromium-sheriffs-robots@google.com
Change-Id: Iaed926c6f4ea9a85552735b7133838bf4ce6f412
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2610816Reviewed-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@{#840197}

DEPS

@@ -1514,7 +1514,7 @@ deps = {
     Var('chromium_git') + '/external/github.com/gpuweb/cts.git' + '@' + '3c2fe3888658d82b47ca831d59a2e07579619c2d',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + 'b54debc350a18a3f9cce696760786c709beacfaf',
+    Var('webrtc_git') + '/src.git' + '@' + 'fc6b87192db6d5e4fd6997814f00b6792cf16180',
 
   'src/third_party/libgifcodec':
      Var('skia_git') + '/libgifcodec' + '@'+  Var('libgifcodec_revision'),