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/arm/int_arm.cc b/src/compiler/codegen/arm/int_arm.cc
index 6a1178e..fcf74f1 100644
--- a/src/compiler/codegen/arm/int_arm.cc
+++ b/src/compiler/codegen/arm/int_arm.cc
@@ -16,12 +16,12 @@
 
 /* This file contains codegen for the Thumb2 ISA. */
 
-#include "oat_compilation_unit.h"
-#include "oat/runtime/oat_support_entrypoints.h"
 #include "arm_lir.h"
 #include "codegen_arm.h"
-#include "../codegen_util.h"
-#include "../ralloc_util.h"
+#include "compiler/codegen/codegen_util.h"
+#include "compiler/codegen/ralloc_util.h"
+#include "oat/runtime/oat_support_entrypoints.h"
+#include "oat_compilation_unit.h"
 
 namespace art {