Introduce the config to disable LAUNCH_BROWSER

LAUNCH BROWSER STK command may need to be disabled
if carrier would not want the default behavior.
So introduce a carrierconfig key for the same

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

Merged-in: Iaff062547f5286b2c0b2c2c4c6182a287f07284b
BUG=31257758
Change-Id: Iaff062547f5286b2c0b2c2c4c6182a287f07284b
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index eae82c9..0847788 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -698,6 +698,16 @@
     public static final String KEY_CARRIER_ADDITIONAL_CBS_CHANNELS_STRINGS =
             "carrier_additional_cbs_channels_strings";
 
+    /**
+      * Indicates whether STK LAUNCH_BROWSER command is disabled.
+      * If {@code true}, then the browser will not be launched
+      * on UI for the LAUNCH_BROWSER STK command.
+      * @hide
+      */
+    public static final String KEY_STK_DISABLE_LAUNCH_BROWSER_BOOL =
+            "stk_disable_launch_browser_bool";
+
+
     // These variables are used by the MMS service and exposed through another API, {@link
     // SmsManager}. The variable names and string values are copied from there.
     public static final String KEY_MMS_ALIAS_ENABLED_BOOL = "aliasEnabled";
@@ -1153,6 +1163,7 @@
         sDefaults.putBoolean(KEY_NOTIFY_VT_HANDOVER_TO_WIFI_FAILURE_BOOL, false);
         sDefaults.putStringArray(FILTERED_CNAP_NAMES_STRING_ARRAY, null);
         sDefaults.putBoolean(KEY_EDITABLE_WFC_ROAMING_MODE_BOOL, false);
+        sDefaults.putBoolean(KEY_STK_DISABLE_LAUNCH_BROWSER_BOOL, false);
     }
 
     /**