参考博文：Android UserManagerService初始化_qluka的博客-CSDN博客

想限制多用户的行为，但是不知默认配置在哪?所以写写。

默认guest用户被限制的行为：
./frameworks/base/services/core/java/com/android/server/pm/UserTypeFactory.javaprivate static Bundle getDefaultSecondaryUserRestrictions() {final Bundle restrictions = new Bundle();restrictions.putBoolean(UserManager.DISALLOW_OUTGOING_CALLS, true);restrictions.putBoolean(UserManager.DISALLOW_SMS, true);return restrictions;}private static Bundle getDefaultGuestUserRestrictions() {// Guest inherits the secondary user's restrictions, plus has some extra ones.final Bundle restrictions = getDefaultSecondaryUserRestrictions();restrictions.putBoolean(UserManager.DISALLOW_CONFIG_WIFI, true);restrictions.putBoolean(UserM