ART: add libprocessgroup dependency and fix sched_policy include

Because art is using set_sched_policy which is moved into libprocessgroup
an additional dependency is added and header file change is made.

Bug: 111307099
Test: builds, boots

Merged-In: If23739013092361fd9f2f4a99cca617516ae06f3
Change-Id: If23739013092361fd9f2f4a99cca617516ae06f3
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
2 files changed