Replace hardcoded cgroup paths

Replace hardcoded cgroup paths with new processgroup library API calls,
include required headers. Add required dependencies.

Bug: 111307099
Test: builds, boots

Change-Id: Ic2dc2a94328cf1927fafaa9506537aeb213df413
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
3 files changed