Roll WebRTC from b940a7d97b27 to f1393e23a22c (1 revision)

https://webrtc.googlesource.com/src.git/+log/b940a7d97b27..f1393e23a22c

2020-05-29 ivoc@webrtc.org Add UMA histogram for actual Android buffer size

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: Ie26692def51c45ac35465ca84d3716841b680df8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2222483Reviewed-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@{#773175}

DEPS

@@ -1448,7 +1448,7 @@ deps = {
   },
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + 'b940a7d97b27bec56d545a54f1dd7a4306656543',
+    Var('webrtc_git') + '/src.git' + '@' + 'f1393e23a22cca5982231203c1ce01d653d19902',
 
   'src/third_party/libgifcodec':
      Var('skia_git') + '/libgifcodec' + '@'+  Var('libgifcodec_revision'),