Merge "[DO NOT MERGE] User switcher activity - use immersive mode" into tm-qpr-dev

package com.android.systemui.user

import android.os.Bundle

import android.view.View

import android.view.WindowInsets.Type

import android.view.WindowInsetsController.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE

import androidx.activity.ComponentActivity

import androidx.lifecycle.ViewModelProvider

import com.android.systemui.R

    override fun onCreate(savedInstanceState: Bundle?) {

        super.onCreate(savedInstanceState)

        setContentView(R.layout.user_switcher_fullscreen)

        window.decorView.systemUiVisibility =

            (View.SYSTEM_UI_FLAG_LAYOUT_STABLE or

                View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION or

                View.SYSTEM_UI_FLAG_HIDE_NAVIGATION)

        window.decorView.getWindowInsetsController().apply {

            setSystemBarsBehavior(BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE)

            hide(Type.systemBars())

        }

        val viewModel =

            ViewModelProvider(this, viewModelFactory.get())[UserSwitcherViewModel::class.java]

        UserSwitcherViewBinder.bind(