build: 控制端功能移植到flutter版本

webrtc_controller_flutter/windows/flutter/generated_plugin_registrant.cc

@@ -6,6 +6,9 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <flutter_webrtc/flutter_web_r_t_c_plugin.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
+  FlutterWebRTCPluginRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("FlutterWebRTCPlugin"));
 }

webrtc_controller_flutter/windows/flutter/generated_plugins.cmake

@@ -3,9 +3,11 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  flutter_webrtc
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST
+  jni
 )
 
 set(PLUGIN_BUNDLED_LIBRARIES)