Explicitly include Configuration.h

Must include Configuration.h in any source file with #ifdef or #if that
depends on Configuration.h.  This avoid inconsistencies that could result
in subtle bugs.

Change-Id: I99fdf19d56e7c73de4e7d672b937336b932a2a00
diff --git a/services/audioflinger/StateQueue.h b/services/audioflinger/StateQueue.h
index 9cde642..9e176c4 100644
--- a/services/audioflinger/StateQueue.h
+++ b/services/audioflinger/StateQueue.h
@@ -89,6 +89,8 @@
 //  arithmetic on the state pointers.  However to the mutator, the state pointers
 //  are in a definite circular order.
 
+#include "Configuration.h"
+
 namespace android {
 
 #ifdef STATE_QUEUE_DUMP