ART: Some IWYU for IterationRange

Remove unnecessary include. Forward-declare in common headers.

Bug: 119869270
Test: mmma art
Change-Id: I0a1403259ea3f1142548009deb6313dab0fed26f
diff --git a/runtime/mirror/class-inl.h b/runtime/mirror/class-inl.h
index bdad412..0f19bac 100644
--- a/runtime/mirror/class-inl.h
+++ b/runtime/mirror/class-inl.h
@@ -22,6 +22,7 @@
 #include "art_field.h"
 #include "art_method.h"
 #include "base/array_slice.h"
+#include "base/iteration_range.h"
 #include "base/length_prefixed_array.h"
 #include "base/utils.h"
 #include "class_linker.h"