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/class_linker.cc b/runtime/class_linker.cc
index 627ac17..0247e4e 100644
--- a/runtime/class_linker.cc
+++ b/runtime/class_linker.cc
@@ -90,6 +90,7 @@
 #include "mirror/array-alloc-inl.h"
 #include "mirror/array-inl.h"
 #include "mirror/call_site.h"
+#include "mirror/class-alloc-inl.h"
 #include "mirror/class-inl.h"
 #include "mirror/class.h"
 #include "mirror/class_ext.h"