Revert "libprocessgroup: make sure SetupCgroups is called once and only by init"

This reverts commit 798e80571527d98292ba7f477c6353b6cdfc01b5.

Reason for revert: causes SELinux policy denials when vold calls KillProcessesWithOpenFiles.

Bug: 129298168
Change-Id: Ie00bfc2b743757209b40b55d2ee038d7d20c73ff
1 file changed