Move /webrtc/api/android files to /webrtc/sdk/android

webrtc/sdk/android/src/jni/classreferenceholder.h

 /*
  *  Copyright 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.
  */
 
 // Android's FindClass() is trickier than usual because the app-specific
 // ClassLoader is not consulted when there is no app-specific frame on the
 // stack.  Consequently, we only look up all classes once in app/webrtc.
 // http://developer.android.com/training/articles/perf-jni.html#faq_FindClass
 
-#ifndef WEBRTC_API_JAVA_JNI_CLASSREFERENCEHOLDER_H_
-#define WEBRTC_API_JAVA_JNI_CLASSREFERENCEHOLDER_H_
+#ifndef WEBRTC_SDK_ANDROID_SRC_JNI_CLASSREFERENCEHOLDER_H_
+#define WEBRTC_SDK_ANDROID_SRC_JNI_CLASSREFERENCEHOLDER_H_
 
 #include <jni.h>
 #include <map>
 #include <string>
 
 namespace webrtc_jni {
 
 // LoadGlobalClassReferenceHolder must be called in JNI_OnLoad.
 void LoadGlobalClassReferenceHolder();
 // FreeGlobalClassReferenceHolder must be called in JNI_UnLoad.
 void FreeGlobalClassReferenceHolder();
 
 // Returns a global reference guaranteed to be valid for the lifetime of the
 // process.
 jclass FindClass(JNIEnv* jni, const char* name);
 
 // Convenience macro defining JNI-accessible methods in the org.webrtc package.
 // Eliminates unnecessary boilerplate and line-wraps, reducing visual clutter.
 #define JOW(rettype, name) extern "C" rettype JNIEXPORT JNICALL \
   Java_org_webrtc_##name
 
 }  // namespace webrtc_jni
 
-#endif  // WEBRTC_API_JAVA_JNI_CLASSREFERENCEHOLDER_H_
+#endif  // WEBRTC_SDK_ANDROID_SRC_JNI_CLASSREFERENCEHOLDER_H_