[Upstream Feedback] Add flag protection for password avatar highlight

It was missed in the original CL

Bug: 964127
Change-Id: I836cd53f502c354f38cf074866a54d13d7e13419
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1869540Reviewed-by: Peter Boström <pbos@chromium.org>
Commit-Queue: Siyu An <siyua@chromium.org>
Cr-Commit-Position: refs/heads/master@{#708384}

chrome/browser/ui/views/autofill/autofill_bubble_handler_impl.cc

@@ -136,7 +136,10 @@ AutofillBubbleHandlerImpl::ShowLocalCardMigrationBubble(
 }
 
 void AutofillBubbleHandlerImpl::OnPasswordSaved() {
+  if (base::FeatureList::IsEnabled(
+          features::kAutofillCreditCardUploadFeedback)) {
     ShowAvatarHighlightAnimation();
+  }
 }
 
 void AutofillBubbleHandlerImpl::HideSignInPromo() {