system_wrappers: rename interface -> include

webrtc/system_wrappers/source/rw_lock_posix.h

 /*
  *  Copyright (c) 2011 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_SYSTEM_WRAPPERS_SOURCE_RW_LOCK_POSIX_H_
 #define WEBRTC_SYSTEM_WRAPPERS_SOURCE_RW_LOCK_POSIX_H_
 
-#include "webrtc/system_wrappers/interface/rw_lock_wrapper.h"
+#include "webrtc/system_wrappers/include/rw_lock_wrapper.h"
 #include "webrtc/typedefs.h"
 
 #include <pthread.h>
 
 namespace webrtc {
 
 class RWLockPosix : public RWLockWrapper {
  public:
   static RWLockPosix* Create();
   ~RWLockPosix() override;
 
   void AcquireLockExclusive() override;
   void ReleaseLockExclusive() override;
 
   void AcquireLockShared() override;
   void ReleaseLockShared() override;
 
  private:
   RWLockPosix();
   bool Init();
 
   pthread_rwlock_t lock_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_SYSTEM_WRAPPERS_SOURCE_RW_LOCK_POSIX_H_