Add settings intent dialog

Add a dialog that can be launched via
an intent to prompt the user to enable
the provider for credman.

Test: make & atest & manual
Bug: 267816998
Change-Id: Id88cc7b3bf2829d075fbba87ea5dc0a245b9ae32

src/com/android/settings/accounts/AccountWorkProfileDashboardFragment.java

@@ -69,7 +69,9 @@ public class AccountWorkProfileDashboardFragment extends DashboardFragment {
         if (CredentialManager.isServiceEnabled(context)) {
             CredentialManagerPreferenceController cmpp =
                     use(CredentialManagerPreferenceController.class);
-            cmpp.init(this, getFragmentManager());
+            CredentialManagerPreferenceController.Delegate delegate =
+                result -> getActivity().setResult(result);
+            cmpp.init(this, getFragmentManager(), getIntent(), delegate);
         } else {
             getSettingsLifecycle().addObserver(use(PasswordsPreferenceController.class));
         }