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/reflection_test.cc b/runtime/reflection_test.cc
index 00e298e..9fab7fb 100644
--- a/runtime/reflection_test.cc
+++ b/runtime/reflection_test.cc
@@ -25,6 +25,7 @@
 #include "dex/descriptors_names.h"
 #include "jni/java_vm_ext.h"
 #include "jni/jni_internal.h"
+#include "mirror/class-alloc-inl.h"
 #include "nativehelper/scoped_local_ref.h"
 #include "scoped_thread_state_change-inl.h"