Merge "Clean up usage of Settings.Secure.DIALER_DEFAULT_APPLICATION." into qt-dev

package com.android.server.telecom;

import android.app.role.RoleManager;

import android.content.BroadcastReceiver;

import android.content.ComponentName;

import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.content.ServiceConnection;

import android.database.ContentObserver;

import android.net.Uri;

import android.os.Handler;

import android.os.IBinder;

import android.os.Looper;

import android.os.RemoteException;

import android.os.ServiceManager;

import android.os.UserHandle;

import android.provider.Settings;

import android.telecom.DefaultDialerManager;

import android.telecom.PhoneAccountHandle;

import android.telecom.TelecomManager;

    private void registerDefaultAppNotifier() {

        final DefaultPermissionGrantPolicy permissionPolicy = getDefaultPermissionGrantPolicy();

        // Notify the package manager on default app changes

        final Uri defaultDialerAppUri = Settings.Secure.getUriFor(

                Settings.Secure.DIALER_DEFAULT_APPLICATION);

        ContentObserver contentObserver = new ContentObserver(

                new Handler(Looper.getMainLooper())) {

            @Override

            public void onChange(boolean selfChange, Uri uri, int userId) {

                if (defaultDialerAppUri.equals(uri)) {

                    updateSimCallManagerPermissions(permissionPolicy, userId);

                }

            }

        };

        mContext.getContentResolver().registerContentObserver(defaultDialerAppUri,

                false, contentObserver, UserHandle.USER_ALL);

        final RoleManager roleManager = mContext.getSystemService(RoleManager.class);

        roleManager.addOnRoleHoldersChangedListenerAsUser(mContext.getMainExecutor(),

                (roleName, user) -> updateSimCallManagerPermissions(permissionPolicy,

                        user.getIdentifier()), UserHandle.ALL);

    }