cutils: sched_policy: make bg group be nested under fg

Adds an apps cgroup which will contain fg tasks. Move the bg group
nested underneath it.

Bug: 6538553
Change-Id: I55279415da625e15a5bb061c2b45fbe7f7a4c047
Signed-off-by: Dima Zavin <dima@android.com>
1 file changed