ART: Depend on libnativehelper headers only

Depend on header-only versions where possible. Move projects
excluding libart to libnativehelper_header_only.

Bug: 65522645
Test: mmma art
Change-Id: I53dd3b2a97e94ee685f72de007ed3858f7f5c6b6
diff --git a/runtime/native/java_lang_Class.cc b/runtime/native/java_lang_Class.cc
index 1a19940..9359ffc 100644
--- a/runtime/native/java_lang_Class.cc
+++ b/runtime/native/java_lang_Class.cc
@@ -35,8 +35,8 @@
 #include "mirror/string-inl.h"
 #include "native_util.h"
 #include "nativehelper/jni_macros.h"
-#include "nativehelper/ScopedLocalRef.h"
-#include "nativehelper/ScopedUtfChars.h"
+#include "nativehelper/scoped_local_ref.h"
+#include "nativehelper/scoped_utf_chars.h"
 #include "nth_caller_visitor.h"
 #include "obj_ptr-inl.h"
 #include "reflection.h"