VideoCapturerAndroid: Add function to change capture format while camera is running

talk/app/webrtc/java/jni/androidvideocapturer_jni.h

 /*
  * libjingle
  * Copyright 2015 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 46 matching lines @@
   void Stop() override;
 
   void ReturnBuffer(int64 time_stamp) override;
 
   std::string GetSupportedFormats() override;
 
   // Called from VideoCapturerAndroid::NativeObserver on a Java thread.
   void OnCapturerStarted(bool success);
   void OnIncomingFrame(void* video_frame,
                        int length,
+                       int width,
+                       int height,
                        int rotation,
                        int64 time_stamp);
 protected:
   AndroidVideoCapturerJni(JNIEnv* jni, jobject j_video_capturer);
   ~AndroidVideoCapturerJni();
 
 private:
   bool Init(jstring device_name);
 
   void OnCapturerStarted_w(bool success);
   void OnCapturerStopped_w();
   void OnIncomingFrame_w(void* video_frame,
                          int length,
+                         int width,
+                         int height,
                          int rotation,
                          int64 time_stamp);
   void ReturnBuffer_w(int64 time_stamp);
 
   JNIEnv* jni();
 
   const ScopedGlobalRef<jobject> j_capturer_global_;
   const ScopedGlobalRef<jclass> j_video_capturer_class_;
   const ScopedGlobalRef<jclass> j_observer_class_;
   volatile bool valid_global_refs_;
   jobject j_frame_observer_;
 
   rtc::ThreadChecker thread_checker_;
 
   rtc::Thread* thread_;  // The thread where Start is called on.
   // |capturer| is a guaranteed to be a valid pointer between a call to
   // AndroidVideoCapturerDelegate::Start
   // until AndroidVideoCapturerDelegate::Stop.
   webrtc::AndroidVideoCapturer* capturer_;
   rtc::AsyncInvoker invoker_;
 
   static jobject application_context_;
 
   DISALLOW_COPY_AND_ASSIGN(AndroidVideoCapturerJni);
 };
 
 }  // namespace webrtc_jni
 
 #endif  // TALK_APP_WEBRTC_JAVA_JNI_ANDROIDVIDEOCAPTURER_JNI_H_