Fix build by referencing the locally defined constant

Change-Id: Ia97fb2072006d9e6008547ddbbe3b2fc22dd3974
diff --git a/compat/java/android/support/v4/app/ServiceCompat.java b/compat/java/android/support/v4/app/ServiceCompat.java
index 08b38bb..daa3756 100644
--- a/compat/java/android/support/v4/app/ServiceCompat.java
+++ b/compat/java/android/support/v4/app/ServiceCompat.java
@@ -88,7 +88,7 @@
 
     static class BaseServiceCompatImpl implements ServiceCompat.ServiceCompatImpl {
         public void stopForeground(Service service, @ServiceCompat.StopForegroundFlags int flags) {
-            service.stopForeground((flags & Service.STOP_FOREGROUND_REMOVE) != 0);
+            service.stopForeground((flags & ServiceCompat.STOP_FOREGROUND_REMOVE) != 0);
         }
     }