Add synonym for "Display over other apps"

Add "draw" to the search keyword list as this item was renamed from
"Draw over other apps".

Bug: 135665821
Test: robotests and search keyword draw
Change-Id: Ifdb35d021f5efa15ebc754ff18734c806e643c5e

src/com/android/settings/applications/specialaccess/SystemAlertWindowPreferenceController.java

@@ -31,6 +31,6 @@ public class SystemAlertWindowPreferenceController extends BasePreferenceControl
     @Override
     public int getAvailabilityStatus() {
         return isSystemAlertWindowEnabled(mContext)
-                ? AVAILABLE_UNSEARCHABLE : UNSUPPORTED_ON_DEVICE ;
+                ? AVAILABLE : UNSUPPORTED_ON_DEVICE ;
     }
 }