IMS: Add support for STK CC feature

-- Add interface in IImsUtListener to get data for
   UNSOL_ON_SS.
-- Add new file ImsSsData to store the data received
   as part of UNSOL_ON_SS.
-- Add approprate error codes and strings to support
   to show error dialogs to user.
-- Add ImsUtInterface API's to indicate UNSOL_ON_SS
   to ImsPhoneCallTracker.

Test: Manual
Bug: 64685331
Change-Id: I023c1af0d521e5b19ecce1576c4caa299ae468e3

1 files changed, 15 insertions, 0 deletions

diff --git a/telephony/java/com/android/ims/ImsUtInterface.java b/telephony/java/com/android/ims/ImsUtInterface.java
index 250371f0f5c2..14c184a64061 100644
--- a/telephony/java/com/android/ims/ImsUtInterface.java
+++ b/telephony/java/com/android/ims/ImsUtInterface.java
@@ -16,6 +16,7 @@
 
 package com.android.ims;
 
+import android.os.Handler;
 import android.os.Message;
 
 /**
@@ -188,4 +189,18 @@ public interface ImsUtInterface {
      * Updates the configuration of the COLP supplementary service.
      */
     public void updateCOLP(boolean enable, Message result);
+
+    /**
+     * Register for UNSOL_ON_SS indications.
+     * @param handler the {@link Handler} that is notified when there is an ss indication.
+     * @param event  Supplimentary service indication event.
+     * @param Object user object.
+     */
+    public void registerForSuppServiceIndication(Handler handler, int event, Object object);
+
+    /**
+     * Deregister for UNSOL_ON_SS indications.
+     * @param handler the {@link Handler} that is notified when there is an ss indication.
+     */
+    public void unregisterForSuppServiceIndication(Handler handler);
 }