Added a debug info UI for Blimp

blimp/client/app/android/blimp_client_session_android.h

Index: blimp/client/app/android/blimp_client_session_android.h
diff --git a/blimp/client/app/android/blimp_client_session_android.h b/blimp/client/app/android/blimp_client_session_android.h
index 345a926810a2cf7355c9c7d81a8e0e010fab4c17..021b49f736c763fc659025f83cf06e3d7722a8a8 100644
--- a/blimp/client/app/android/blimp_client_session_android.h
+++ b/blimp/client/app/android/blimp_client_session_android.h
@@ -33,12 +33,17 @@ class BlimpClientSessionAndroid : public BlimpClientSession {
 
   void Destroy(JNIEnv* env, const base::android::JavaParamRef<jobject>& jobj);
 
+  void EnableDebugInfo(JNIEnv* env,
+                       const base::android::JavaParamRef<jobject>& jobj,
+                       jboolean enable);
+
  private:
   ~BlimpClientSessionAndroid() override;
 
   // BlimpClientSession implementation.
   void OnAssignmentConnectionAttempted(AssignmentSource::Result result,
                                        const Assignment& assignment) override;
+  void UpdateDebugInfo(int received, int sent, int commits) override;
 
   // NetworkEventObserver implementation.
   void OnConnected() override;