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
diff --git a/telecomm/java/android/telecom/TelecomManager.java b/telecomm/java/android/telecom/TelecomManager.java
index 4eac5ac..d98a255 100644
--- a/telecomm/java/android/telecom/TelecomManager.java
+++ b/telecomm/java/android/telecom/TelecomManager.java
@@ -17,6 +17,7 @@
 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 @@
      * @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();
@@ -941,6 +941,24 @@
     }
 
     /**
+     * @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>
      * Requires that the method-caller be set as the system dialer app.