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.h b/src/compiler/codegen/ralloc_util.h
index 3526f4c..a5ed999 100644
--- a/src/compiler/codegen/ralloc_util.h
+++ b/src/compiler/codegen/ralloc_util.h
@@ -21,9 +21,9 @@
  * This file contains target independent register alloction support.
  */
 
-#include "../compiler_ir.h"
-#include "../dataflow.h"
-#include "../compiler_utility.h"
+#include "compiler/compiler_ir.h"
+#include "compiler/compiler_utility.h"
+#include "compiler/dataflow.h"
 
 namespace art {