Add MMS UA, UAProf for L10

Bug: 239520846
Test: make
Change-Id: Iebee36c80d3fa4e529218b6563333f4339750b9f

lynx/overlay/frameworks/base/core/res/res/values/config.xml

@@ -256,4 +256,9 @@
     <!-- Boolean indicating if restoring network selection should be skipped -->
     <!-- The restoring is handled by modem if it is true -->
     <bool translatable="false" name="skip_restoring_network_selection">true</bool>
+
+    <!-- MMS user agent string -->
+    <string name="config_mms_user_agent" translatable="false">gwkk3</string>
+    <!-- MMS user agent profile url -->
+    <string name="config_mms_user_agent_profile_url" translatable="false">http://www.gstatic.com/android/sms/GWKK3.xml</string>
 </resources>