git: openjdk/jdk: 8278951: containers/cgroup/PlainRead.java fails on Ubuntu 21.10

[Ioi Lam]

Changeset: 35172cda
Author:    Ioi Lam <iklam at openjdk.org>
Date:      2022-01-13 18:28:03 +0000
URL:       https://git.openjdk.java.net/jdk/commit/35172cdaf38d83cd3ed57a5436bf985dde2d802b

8278951: containers/cgroup/PlainRead.java fails on Ubuntu 21.10

Reviewed-by: hseigel, sgehwolf

! src/hotspot/os/linux/cgroupSubsystem_linux.hpp
! src/hotspot/os/linux/cgroupV2Subsystem_linux.cpp