[libc++][NFC] Re-indent and re-order includes in uses_alloc_types.h

GitOrigin-RevId: 95741660b4938a0f6f9effd8575d1e0fe77bfbed
diff --git a/test/support/uses_alloc_types.h b/test/support/uses_alloc_types.h
index c3bbd72..b2e422a 100644
--- a/test/support/uses_alloc_types.h
+++ b/test/support/uses_alloc_types.h
@@ -9,9 +9,9 @@
 #ifndef USES_ALLOC_TYPES_H
 #define USES_ALLOC_TYPES_H
 
-# include <memory>
-# include <cassert>
+#include <cassert>
 #include <cstdlib>
+#include <memory>
 
 #include "test_macros.h"
 #include "test_workarounds.h"