[Sync] Add auto-generated ModelType in Java.

sync/test/fake_server/android/fake_server_helper_android.h

Index: sync/test/fake_server/android/fake_server_helper_android.h
diff --git a/sync/test/fake_server/android/fake_server_helper_android.h b/sync/test/fake_server/android/fake_server_helper_android.h
index 98a628dedae2f46e35facc647227b187e58bb313..a0418ed730d75ab19d0ed1bcaf4b6034f06bcb00 100644
--- a/sync/test/fake_server/android/fake_server_helper_android.h
+++ b/sync/test/fake_server/android/fake_server_helper_android.h
@@ -38,7 +38,7 @@ class FakeServerHelperAndroid {
                                           jobject obj,
                                           jlong fake_server,
                                           jlong count,
-                                          jstring model_type_string,
+                                          jint model_type_int,
                                           jstring name);
 
   // Returns true iff |fake_server| has exactly one window of sessions with
@@ -53,7 +53,7 @@ class FakeServerHelperAndroid {
       JNIEnv* env,
       jobject obj,
       jlong fake_server,
-      jstring model_type_string);
+      jint model_type_int);
 
   // Injects a UniqueClientEntity into |fake_server|.
   void InjectUniqueClientEntity(JNIEnv* env,