Roll src/third_party/webrtc 5c35f2fb1bc2..3b19b2734385 (6 commits)

https://webrtc.googlesource.com/src.git/+log/5c35f2fb1bc2..3b19b2734385

git log 5c35f2fb1bc2..3b19b2734385 --date=short --first-parent --format='%ad %ae %s'
2020-01-09 jsphchn@google.com Make the sdk:audio_session_objc target public.
2020-01-09 chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com Roll chromium_revision efba8d29..b57c714b (729663:729764)
2020-01-09 aalaniz@twilio.com Update Android camera switch API to allow specifying a name
2020-01-09 phoglund@webrtc.org Extract plottable counter from perf results logger.
2020-01-09 henrika@webrtc.org Avoids crash in ADM for Android
2020-01-09 jonaso@webrtc.org Reland "Add field trial to base stable target rate on loss based target rate"

Created with:
  gclient setdep -r src/third_party/webrtc@3b19b2734385

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:1029452
Tbr: webrtc-chromium-sheriffs-robots@google.com
Change-Id: I01b4a6f8f04f559e8c67572fddd292ebf9cae87b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1993883Reviewed-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@{#729922}

DEPS

@@ -1498,7 +1498,7 @@ deps = {
     Var('chromium_git') + '/external/khronosgroup/webgl.git' + '@' + '88d715c9115a5ce65c0bf660209dfeee9131ccd0',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '5c35f2fb1bc2325f0cd23db52d73db75fccc89c9',
+    Var('webrtc_git') + '/src.git' + '@' + '3b19b2734385359704c193df054041599e30e9f2',
 
   'src/third_party/libgifcodec':
      Var('skia_git') + '/libgifcodec' + '@'+  Var('libgifcodec_revision'),