ART: Add class-alloc-inl.h

In an effort to reduce the (transitive) proliferation of heap-inl
add a specific inline header for class instance allocation.

Bug: 118385392
Test: mmma art
Test: m test-art-host
Change-Id: I32529f0221a836452c58687330a91ac0d5fde162
diff --git a/runtime/handle_scope_test.cc b/runtime/handle_scope_test.cc
index f888482..d72dbe6 100644
--- a/runtime/handle_scope_test.cc
+++ b/runtime/handle_scope_test.cc
@@ -22,6 +22,7 @@
 #include "gtest/gtest.h"
 #include "handle.h"
 #include "handle_scope-inl.h"
+#include "mirror/class-alloc-inl.h"
 #include "mirror/class-inl.h"
 #include "mirror/object.h"
 #include "scoped_thread_state_change-inl.h"