Add config to disable CDMA call forward/waiting

-Add config to disable CDMA call forwarding and call waiting by default

Change-Id: I2752cb38d6a6627a14afb892ead5bc3bf4ef00e1
CRs-Fixed: 2172699
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index c3cb315..cd4650e 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -1074,6 +1074,12 @@
     public static final String KEY_SHOW_PRECISE_FAILED_CAUSE_BOOL =
             "show_precise_failed_cause_bool";
 
+    /**
+     * Flag specifying whether CDMA call waiting and call forwarding are enabled
+     * @hide
+     */
+    public static final String KEY_CDMA_CW_CF_ENABLED_BOOL = "cdma_cw_cf_enabled_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";
@@ -2012,6 +2018,7 @@
         // By default all APNs are unmetered if the device is on IWLAN.
         sDefaults.putStringArray(KEY_CARRIER_METERED_IWLAN_APN_TYPES_STRINGS,
                 new String[]{});
+        sDefaults.putBoolean(KEY_CDMA_CW_CF_ENABLED_BOOL, false);
 
         sDefaults.putIntArray(KEY_ONLY_SINGLE_DC_ALLOWED_INT_ARRAY,
                 new int[]{