Move the annotation right before String

Fix: 374015480
Test: build
Flag: EXEMPT N/A
Change-Id: Id4eb78319b10f63a0a8959643b63ed9a598f24af

src/com/android/settings/DisplaySettings.java

@@ -97,9 +97,8 @@ public class DisplaySettings extends DashboardFragment {
                 }
             };
 
-    @Nullable
     @Override
-    public String getPreferenceScreenBindingKey(@NonNull Context context) {
+    public @Nullable String getPreferenceScreenBindingKey(@NonNull Context context) {
         return DisplayScreen.KEY;
     }
 }