disable LAUNCH_BROWSER for sprint

LAUNCH BROWSER STK command needs to be disabled
as sprint would not want the default behavior.

Test: Swapped the sprint sim cards and verified
that browser launch do not happen

Merged-in:I2cc1978cceca914087399b70cefe78dc62e5c3c5
BUG=31257758

Change-Id: I2cc1978cceca914087399b70cefe78dc62e5c3c5
diff --git a/assets/carrier_config_310120.xml b/assets/carrier_config_310120.xml
index df4bcbf..e18d5c9 100644
--- a/assets/carrier_config_310120.xml
+++ b/assets/carrier_config_310120.xml
@@ -28,5 +28,6 @@
         <boolean name="enableMultipartSMS" value="true" />
         <boolean name="allow_non_emergency_calls_in_ecm_bool" value="false" />
         <string name="carrier_eri_file_name_string">eri_310120.xml</string>
+        <boolean name="stk_disable_launch_browser_bool" value="true" />
     </carrier_config>
 </carrier_config_list>