Update ActionService constants

Author: adamyi

api/src/main/java/edu/cmu/chimps/messageontap_api/MethodConstants.java

@@ -56,7 +56,6 @@ public class MethodConstants {
     /**
      * methods of action tasks
      */
-    public final static String ACTION_METHOD_SKIP_UI = "skip_ui";
     public final static String ACTION_METHOD_ALARM_NEW = "alarm_new";
     public final static String ACTION_METHOD_PHONE_CALL = "phone_call";
     public final static String ACTION_METHOD_CALENDAR_NEW = "calendar_new";

api/src/main/java/edu/cmu/chimps/messageontap_api/ServiceAttributes.java

@@ -130,6 +130,9 @@ public static class PMS {
     }
 
     public class Action {
+        //TODO: move things that plugins do NOT use back
+        public final static String SKIP_UI = "skip_ui";
+
         public final static String ALARM_EXTRA_HOUR = "alarm_extra_hour";
         public final static String ALARM_EXTRA_MINUTE = "alarm_extra_minute";
         public final static String ALARM_EXTRA_LABEL = "alarm_extra_label";