Merge "Mount eBPF file system and cgroupv2 root directory" am: 4719ecd2

    # This is needed by any process that uses socket tagging.

    chmod 0644 /dev/xt_qtaguid

    mkdir /dev/cg2_bpf

    mount cgroup2 cg2_bpf /dev/cg2_bpf

    chown root root /dev/cg2_bpf

    chmod 0600 /dev/cg2_bpf

    mount bpf bpf /sys/fs/bpf

    # Create location for fs_mgr to store abbreviated output from filesystem

    # checker programs.

    mkdir /dev/fscklogs 0770 root system