SF: Move relevant scheduler files into one directory.

Scheduler (see go/surface-flinger-scheduler) is going to live in its own
directory. This CL just moves the relevant files into that directory. No
changes to business logic.

Test: all SF tests pass.
Change-Id: Iff0717f9867316b28e68fd8311bd9fdc4e029951
diff --git a/services/surfaceflinger/MonitoredProducer.cpp b/services/surfaceflinger/MonitoredProducer.cpp
index 389fbd2..06e3d9c 100644
--- a/services/surfaceflinger/MonitoredProducer.cpp
+++ b/services/surfaceflinger/MonitoredProducer.cpp
@@ -14,10 +14,11 @@
  * limitations under the License.
  */
 
-#include "MessageQueue.h"
 #include "MonitoredProducer.h"
-#include "SurfaceFlinger.h"
 #include "Layer.h"
+#include "SurfaceFlinger.h"
+
+#include "Scheduler/MessageQueue.h"
 
 namespace android {