Adn queries for multi-SIM. (2/3)

Define a method in Telecom to take in a subscription account and return
the URI for an ADN query for that account.

Bug: 17917937
Change-Id: Ic50a4add7fe44a5164271dc9c9e5a58e45e72336

telecomm/java/android/telecom/TelecomManager.java

@@ -17,6 +17,7 @@ package android.telecom;
 import android.annotation.SystemApi;
 import android.content.ComponentName;
 import android.content.Context;
+import android.net.Uri;
 import android.os.Bundle;
 import android.os.RemoteException;
 import android.os.ServiceManager;
@@ -926,7 +927,6 @@ public class TelecomManager {
      * @param accountHandle The handle for the account the MMI code should apply to.
      * @param dialString The digits to dial.
      * @return True if the digits were processed as an MMI code, false otherwise.
-     *
      */
     public boolean handleMmi(PhoneAccountHandle accountHandle, String dialString) {
         ITelecomService service = getTelecomService();
@@ -940,6 +940,24 @@ public class TelecomManager {
         return false;
     }
 
+    /**
+     * @param accountHandle The handle for the account to derive an adn query URI for or
+     * {@code null} to return a URI which will use the default account.
+     * @return The URI (with the content:// scheme) specific to the specified {@link PhoneAccount}
+     * for the the content retrieve.
+     */
+    public Uri getAdnUriForPhoneAccount(PhoneAccountHandle accountHandle) {
+        ITelecomService service = getTelecomService();
+        if (service != null && accountHandle != null) {
+            try {
+                return service.getAdnUriForPhoneAccount(accountHandle);
+            } catch (RemoteException e) {
+                Log.e(TAG, "Error calling ITelecomService#getAdnUriForPhoneAccount", e);
+            }
+        }
+        return Uri.parse("content://icc/adn");
+    }
+
     /**
      * Removes the missed-call notification if one is present.
      * <p>