Moved RtcEventLog files from call/ to logging/ (new top level dir)

webrtc/logging/rtc_event_log/rtc_event_log.h

 /*
  *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_CALL_RTC_EVENT_LOG_H_
-#define WEBRTC_CALL_RTC_EVENT_LOG_H_
+#ifndef WEBRTC_LOGGING_RTC_EVENT_LOG_RTC_EVENT_LOG_H_
+#define WEBRTC_LOGGING_RTC_EVENT_LOG_RTC_EVENT_LOG_H_
 
 #include <memory>
 #include <string>
 
 #include "webrtc/base/platform_file.h"
 #include "webrtc/video_receive_stream.h"
 #include "webrtc/video_send_stream.h"
 
 namespace webrtc {
 
@@ skipping 109 matching lines @@
                      const uint8_t* packet,
                      size_t length) override {}
   void LogAudioPlayout(uint32_t ssrc) override {}
   void LogBwePacketLossEvent(int32_t bitrate,
                              uint8_t fraction_loss,
                              int32_t total_packets) override {}
 };
 
 }  // namespace webrtc
 
-#endif  // WEBRTC_CALL_RTC_EVENT_LOG_H_
+#endif  // WEBRTC_LOGGING_RTC_EVENT_LOG_RTC_EVENT_LOG_H_