Replace direct pid writes with setting task profiles

For easy transition from SchedTune to UtilClamp, direct access to these
cgroups should be abstracted by using task profiles. Replace writepid
commands with new task_profiles command.

Bug: 155419956
Test: change .rc file and confirm task profile is applied
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Change-Id: I3e06e25a75cf79674d8381b3356c64790fd5a597
Merged-In: I3e06e25a75cf79674d8381b3356c64790fd5a597