Create dex subdirectory

Move all the DexFile related source to a common subdirectory dex/ of
runtime.

Bug: 71361973
Test: make -j 50 test-art-host
Change-Id: I59e984ed660b93e0776556308be3d653722f5223
diff --git a/openjdkjvmti/deopt_manager.cc b/openjdkjvmti/deopt_manager.cc
index f843054..aced769 100644
--- a/openjdkjvmti/deopt_manager.cc
+++ b/openjdkjvmti/deopt_manager.cc
@@ -37,7 +37,7 @@
 #include "art_method-inl.h"
 #include "base/enums.h"
 #include "base/mutex-inl.h"
-#include "dex_file_annotations.h"
+#include "dex/dex_file_annotations.h"
 #include "events-inl.h"
 #include "jni_internal.h"
 #include "mirror/class-inl.h"