Merge "Add null check for getActionBar()" into rvc-dev

package com.android.permissioncontroller.role.ui.handheld;

import android.app.ActionBar;

import android.os.Bundle;

import android.view.LayoutInflater;

import android.view.Menu;

    public void onActivityCreated(@Nullable Bundle savedInstanceState) {

        super.onActivityCreated(savedInstanceState);

        requireActivity().getActionBar().setDisplayHomeAsUpEnabled(true);

        ActionBar actionBar = requireActivity().getActionBar();

        if (actionBar != null) {

            actionBar.setDisplayHomeAsUpEnabled(true);

        }

        mEmptyText.setText(getEmptyTextResource());