Revise comments in SharedElementsFragmentActivity

Summary: Revise comments in SharedElementsFragmentActivity

Reviewed By: adityasharat

Differential Revision: D55313160

fbshipit-source-id: 43aa530f5d615a7765909e8fd6c250662f21b860

sample/src/main/java/com/facebook/samples/litho/java/animations/sharedelements/SharedElementsFragmentActivity.java

@@ -220,7 +220,7 @@ public void onDirtyMount(LithoView view) {
           };
       lithoView.setOnDirtyMountListener(dirtyMountListener);
       // We can not set LithoView as the root view of Fragment because the enforement of alpha
-      // value here https://fburl.com/code/2ilg549t causes the transition to fail. A workaround is
+      // value in HostComponent.onMount causes the transition to fail. A workaround is
       // to wrap the LithoView in a FrameLayout.
       // TODO: T183183765
       final FrameLayout frameLayout = new FrameLayout(activity);