NavigationSettings: Show the checkbox if requested during the hide animation

Change-Id: I17529b1db1aa7a59218828a31a36de0da1d884a9

src/org/lineageos/setupwizard/NavigationSettingsActivity.java

@@ -131,6 +131,8 @@ public class NavigationSettingsActivity extends BaseSetupWizardActivity {
     }
 
     private void revealHintCheckbox() {
+        mHideGesturalHint.animate().cancel();
+
         if (mHideGesturalHint.getVisibility() == View.VISIBLE) {
             return;
         }