Telephony: Add default values for MMS UA string and UA profile url

CTS test fails if these config items are empty.

Issue: FP2P-306
Test: run cts -m CtsTelephonyTestCases -t android.telephony.cts.TelephonyManagerTest#testTelephonyManager
Change-Id: I2a384ea90593c52b5c7cf4bb4c46f403fa2ef665
Signed-off-by: Tejashwini Prabhu <tejashwini.prabhu@harman.com>
diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index c173a10..43bbfdb 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -257,6 +257,13 @@
     <!-- Flag specifying whether or not IMS will use the ImsResolver dynamically -->
     <bool name="config_dynamic_bind_ims">true</bool>
 
+    <!-- MMS user agent string -->
+    <string name="config_mms_user_agent" translatable="false">Android-Mms/2.0</string>
+
+    <!-- MMS user agent prolfile url -->
+    <string name="config_mms_user_agent_profile_url" translatable="false"
+            >http://www.google.com/oha/rdf/ua-profile-kila.xml</string>
+
     <!-- Defines the default set of global actions. Actions may still be disabled or hidden based
          on the current state of the device.
          Each item must be one of the following strings: