Add libprocessgroup dependency and fix sched_policy include

surfaceflinger, installd and libvrflinger are using set_sched_policy
which is moved into libprocessgroup. Add libprocessgroup dependency
and include required headers.

Exempt-From-Owner-Approval: janitorial

Bug: 111307099
Test: builds, boots

Change-Id: Iccb7c54a85ca148d44ce687fe05e89ad4369e104
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
diff --git a/services/surfaceflinger/main_surfaceflinger.cpp b/services/surfaceflinger/main_surfaceflinger.cpp
index 92ae87b..e45af18 100644
--- a/services/surfaceflinger/main_surfaceflinger.cpp
+++ b/services/surfaceflinger/main_surfaceflinger.cpp
@@ -25,9 +25,9 @@
 #include <binder/IServiceManager.h>
 #include <binder/ProcessState.h>
 #include <configstore/Utils.h>
-#include <cutils/sched_policy.h>
 #include <displayservice/DisplayService.h>
 #include <hidl/LegacySupport.h>
+#include <processgroup/sched_policy.h>
 #include "SurfaceFlinger.h"
 #include "SurfaceFlingerFactory.h"