Deprecate intent action to the old changing default dialer/SMS dialogs.

Bug: 124452117
Bug: 131204827
Test: presubmit
Change-Id: Iee636cf2dbcf4bdda5fc487d6883591e9463b0af
diff --git a/telecomm/java/android/telecom/TelecomManager.java b/telecomm/java/android/telecom/TelecomManager.java
index db63198..735e74b 100644
--- a/telecomm/java/android/telecom/TelecomManager.java
+++ b/telecomm/java/android/telecom/TelecomManager.java
@@ -161,6 +161,10 @@
      *         getActivity().getPackageName());
      * startActivity(intent);
      * </pre>
+     * <p>
+     * This is no longer supported since Q, please use
+     * {@link android.app.role.RoleManager#createRequestRoleIntent(String)} with
+     * {@link android.app.role.RoleManager#ROLE_DIALER} instead.
      */
     public static final String ACTION_CHANGE_DEFAULT_DIALER =
             "android.telecom.action.CHANGE_DEFAULT_DIALER";