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_llvm/jni_compiler.cc b/src/compiler_llvm/jni_compiler.cc
index fdd2b43..8d49aba 100644
--- a/src/compiler_llvm/jni_compiler.cc
+++ b/src/compiler_llvm/jni_compiler.cc
@@ -18,11 +18,11 @@
 
 #include "base/logging.h"
 #include "class_linker.h"
-#include "compilation_unit.h"
 #include "compiled_method.h"
 #include "compiler.h"
 #include "compiler_llvm.h"
 #include "ir_builder.h"
+#include "llvm_compilation_unit.h"
 #include "mirror/abstract_method.h"
 #include "oat_compilation_unit.h"
 #include "runtime.h"
@@ -42,7 +42,7 @@
 
 using namespace runtime_support;
 
-JniCompiler::JniCompiler(CompilationUnit* cunit,
+JniCompiler::JniCompiler(LlvmCompilationUnit* cunit,
                          Compiler const& compiler,
                          OatCompilationUnit* oat_compilation_unit)
 : cunit_(cunit), compiler_(&compiler), module_(cunit_->GetModule()),