ReadOnlyRootFileSystem changes for aws

commit af8318b2 Author: Abhay bios@amazon.com Date: Tue Mar 21 2023 07:31:18 GMT-0700 (Pacific Daylight Time)

Renaming variable

commit c4868c2d Author: Abhay bios@amazon.com Date: Mon Mar 20 2023 10:55:21 GMT-0700 (Pacific Daylight Time)

adding changes for rootFilesystem

(cherry picked from commit d06aa3aa)