Bug 1259338 P2 Re-enable failing mochitest test. r=khuey

dom/workers/test/serviceworkers/mochitest.ini

@@ -244,7 +244,6 @@ tags = mcb
 [test_notification_get.html]
 [test_notificationclick.html]
 [test_notificationclick_focus.html]
-skip-if = (toolkit == "android" && debug) # Bug 1259338
 [test_notificationclick-otherwindow.html]
 [test_opaque_intercept.html]
 [test_openWindow.html]