Rename compiler_llvm CompilationUnit to LlvmCompilationUnit

Also fixed stray ART_TEST_CFLAGS to LOCAL_CFLAGS
Also fixed relative includes

Tried to change CompilationUnit to reference LlvmCompilationUnit, but
that causes issues because of the split libart-compiler
libart-compiler-llvm.

Change-Id: I7a490f339add6355a20c1cedae858ccf6967a6aa
diff --git a/src/compiler/codegen/ralloc_util.cc b/src/compiler/codegen/ralloc_util.cc
index accf676..afd4976 100644
--- a/src/compiler/codegen/ralloc_util.cc
+++ b/src/compiler/codegen/ralloc_util.cc
@@ -16,11 +16,11 @@
 
 /* This file contains register alloction support. */
 
-#include "../compiler_utility.h"
-#include "../compiler_ir.h"
-#include "../dataflow.h"
-#include "ralloc_util.h"
 #include "codegen_util.h"
+#include "compiler/compiler_ir.h"
+#include "compiler/compiler_utility.h"
+#include "compiler/dataflow.h"
+#include "ralloc_util.h"
 
 namespace art {