CameraService: Use SCHED_FIFO for request queue thread in HFR

- Move SchedulingPolicyService from audioservice to mediautils

- When starting up a high speed stream config, set request queue thread
  to SCHED_FIFO using SchedulingPolicyService

Bug: 24227252
Change-Id: I224b59142bd111caf563779f55cddd62385b9bac
diff --git a/media/utils/Android.mk b/media/utils/Android.mk
index dfadbc80..54d22b1 100644
--- a/media/utils/Android.mk
+++ b/media/utils/Android.mk
@@ -18,6 +18,8 @@
 
 LOCAL_SRC_FILES := \
   BatteryNotifier.cpp \
+  ISchedulingPolicyService.cpp \
+  SchedulingPolicyService.cpp
 
 LOCAL_SHARED_LIBRARIES := \
   libbinder \