Fix x86 build.

Also fix attributes/annotalysis on entrypoint_utils functions now we have
clang that is smarter wrt warnings than GCC.

Change-Id: I69257b4ad9a27d07acbc973d21a1cfa4260a8ed6
diff --git a/runtime/reflection.cc b/runtime/reflection.cc
index 0af4117..758c1bb 100644
--- a/runtime/reflection.cc
+++ b/runtime/reflection.cc
@@ -20,7 +20,7 @@
 #include "common_throws.h"
 #include "dex_file-inl.h"
 #include "jni_internal.h"
-#include "method_helper.h"
+#include "method_helper-inl.h"
 #include "mirror/art_field-inl.h"
 #include "mirror/art_method-inl.h"
 #include "mirror/class-inl.h"