libbinder: don't export Static.h

This was being exported by the build system, but it shouldn't be used
anywhere.

Bug: N/A
Test: N/A
Change-Id: Id10772ec3e0ebf39ddf83f0f7981552c3f2e528d
diff --git a/libs/binder/ProcessState.cpp b/libs/binder/ProcessState.cpp
index b25cd7b..3f2bcf2 100644
--- a/libs/binder/ProcessState.cpp
+++ b/libs/binder/ProcessState.cpp
@@ -28,7 +28,7 @@
 #include <utils/threads.h>
 
 #include <private/binder/binder_module.h>
-#include <private/binder/Static.h>
+#include "Static.h"
 
 #include <errno.h>
 #include <fcntl.h>