Reformat the WebRTC code base

Running clang-format with chromium's style guide.

The goal is n-fold:
 * providing consistency and readability (that's what code guidelines are for)
 * preventing noise with presubmit checks and git cl format
 * building on the previous point: making it easier to automatically fix format issues
 * you name it

Please consider using git-hyper-blame to ignore this commit.

Bug: webrtc:9340
Change-Id: I694567c4cdf8cee2860958cfe82bfaf25848bb87
Reviewed-on: https://webrtc-review.googlesource.com/81185
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23660}

audio/audio_send_stream.h

@@ -70,7 +70,9 @@ class AudioSendStream final : public webrtc::AudioSendStream,
   void Start() override;
   void Stop() override;
   void SendAudioData(std::unique_ptr<AudioFrame> audio_frame) override;
-  bool SendTelephoneEvent(int payload_type, int payload_frequency, int event,
+  bool SendTelephoneEvent(int payload_type,
+                          int payload_frequency,
+                          int event,
                           int duration_ms) override;
   void SetMuted(bool muted) override;
   webrtc::AudioSendStream::Stats GetStats() const override;