Add carrier config for Verizon to close connection after MMS request

b/29558615

Change-Id: Ibd49b7e5e3021541007170dc2cf7d98256f4b4c7
diff --git a/assets/carrier_config_311271.xml b/assets/carrier_config_311271.xml
new file mode 100644
index 0000000..3fdcc52
--- /dev/null
+++ b/assets/carrier_config_311271.xml
@@ -0,0 +1,6 @@
+<?xml version='1.0' encoding='utf-8' standalone='yes' ?>
+<carrier_config_list>
+    <carrier_config>
+        <boolean name="mmsCloseConnection" value="true"/>
+    </carrier_config>
+</carrier_config_list>