Set FLAG_SHOW_LIGHTS if *either* on or off is nonzero.

Previously they each had to be nonzero, which prevented
using the builder methods to create solid-on LED
notifications.

Change-Id: I30314ec33daa28ee2e1f0b87a184c3540254471c

core/java/android/app/Notification.java

@@ -1603,7 +1603,7 @@ public class Notification implements Parcelable
             n.defaults = mDefaults;
             n.flags = mFlags;
             n.bigContentView = makeBigContentView();
-            if (mLedOnMs != 0 && mLedOffMs != 0) {
+            if (mLedOnMs != 0 || mLedOffMs != 0) {
                 n.flags |= FLAG_SHOW_LIGHTS;
             }
             if ((mDefaults & DEFAULT_LIGHTS) != 0) {