ART: Clean up includes.

Reduce dependencies to improve incremental build times.
Break up circular dependency involving class_linker-inl.h.

Change-Id: I4be742c5c2b5cd9855beea86630fd68aab76b0db
diff --git a/runtime/mirror/class.h b/runtime/mirror/class.h
index 92493bc..20f2387 100644
--- a/runtime/mirror/class.h
+++ b/runtime/mirror/class.h
@@ -1095,6 +1095,8 @@
   ArtField* GetSFieldsUnchecked() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
   ArtField* GetIFieldsUnchecked() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
 
+  bool ProxyDescriptorEquals(const char* match) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
+
   // defining class loader, or NULL for the "bootstrap" system loader
   HeapReference<ClassLoader> class_loader_;