Add carrier config of showing original dial string for CDMA MO call

Support to configure showing original dial string for CDMA MO call.

Bug: 62074217
Change-Id: Icfd542107e36641823d2fdcb815b9456a8d61f36
Merged-In: Icfd542107e36641823d2fdcb815b9456a8d61f36
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index fdee2f4..3300b97 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -2017,6 +2017,15 @@
     public static final String KEY_UNDELIVERED_SMS_MESSAGE_EXPIRATION_TIME =
             "undelivered_sms_message_expiration_time";
 
+    /**
+     * Support for the original string display of CDMA MO call.
+     * By default, it is disabled.
+     * @hide
+     */
+    public static final String KEY_CONFIG_SHOW_ORIG_DIAL_STRING_FOR_CDMA_BOOL =
+            "config_show_orig_dial_string_for_cdma";
+
+
     /** The default value for every variable. */
     private final static PersistableBundle sDefaults;
 
@@ -2346,6 +2355,7 @@
                         -85  /* SIGNAL_STRENGTH_GREAT */
                 });
         sDefaults.putString(KEY_WCDMA_DEFAULT_SIGNAL_STRENGTH_MEASUREMENT_STRING, "");
+        sDefaults.putBoolean(KEY_CONFIG_SHOW_ORIG_DIAL_STRING_FOR_CDMA_BOOL, false);
     }
 
     /**