Fix stub after merge

java/ql/test/query-tests/security/CWE-470/MainActivity.java

@@ -12,7 +12,7 @@ import androidx.fragment.app.FragmentTransaction;
 public class MainActivity extends FragmentActivity {
 
     @Override
-    protected void onCreate(Bundle savedInstance) {
+    public void onCreate(Bundle savedInstance) {
         try {
             super.onCreate(savedInstance);
             final String fname = getIntent().getStringExtra("fname");

java/ql/test/stubs/google-android-9.0.0/android/app/Fragment.java

@@ -65,13 +65,4 @@ public class Fragment {
     return null;
   }
 
-  @Override
-  public void onConfigurationChanged(Configuration p0) {}
-
-  @Override
-  public void onLowMemory() {}
-
-  @Override
-  public void onTrimMemory(int p0) {}
-
 }