Mms auto-retrieval (1/3): framework

Change-Id: I9b2f76d8cf9d67eddddfdf7737a948eea680329f

It's only porting this http://review.cyanogenmod.org/#/c/26166/
Part 1 of 3

core/java/android/provider/Settings.java

@@ -1620,6 +1620,23 @@ public static void setShowGTalkServiceStatusForUser(ContentResolver cr, boolean
         @Deprecated
         public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
 
+        /**
+         * Allows automatic retrieval of mms contents
+         * <p>Type: INT</p>
+         * 0 -- false
+         * 1 -- true
+         * @hide
+         */
+        public static final String MMS_AUTO_RETRIEVAL = "mms_auto_retrieval";
+
+        /**
+         * Allows automatic retrieval of mms contents during roaming
+         * <p>Type: INT</p>
+         * 0 -- false
+         * 1 -- true
+         * @hide
+         */
+        public static final String MMS_AUTO_RETRIEVAL_ON_ROAMING = "mms_auto_on_roaming";
 
         /**
          * Determines whether remote devices may discover and/or connect to
@@ -2923,6 +2940,8 @@ public static void setShowGTalkServiceStatusForUser(ContentResolver cr, boolean
             WIFI_STATIC_NETMASK,
             WIFI_STATIC_DNS1,
             WIFI_STATIC_DNS2,
+            MMS_AUTO_RETRIEVAL,
+            MMS_AUTO_RETRIEVAL_ON_ROAMING,
             BLUETOOTH_DISCOVERABILITY,
             BLUETOOTH_DISCOVERABILITY_TIMEOUT,
             DIM_SCREEN,