Merge "Make onBeforeUserSwitching calls synchronous." into main

import android.os.IRemoteCallback;

/** {@hide} */

oneway interface IUserSwitchObserver {

interface IUserSwitchObserver {

    void onBeforeUserSwitching(int newUserId);

    void onUserSwitching(int newUserId, IRemoteCallback reply);

    void onUserSwitchComplete(int newUserId);

    void onForegroundProfileSwitch(int newProfileId);

    void onLockedBootComplete(int newUserId);

    oneway void onUserSwitching(int newUserId, IRemoteCallback reply);

    oneway void onUserSwitchComplete(int newUserId);

    oneway void onForegroundProfileSwitch(int newProfileId);

    oneway void onLockedBootComplete(int newUserId);

}