Fix inlining annotations for AOT.

runtime/vm/object.h

Index: runtime/vm/object.h
diff --git a/runtime/vm/object.h b/runtime/vm/object.h
index 55fdbb5a52e0332cab9c177a20f5d411c1e2351e..4bbcf7fec77e6fcc9bbbf5b8de0e6783836a79f4 100644
--- a/runtime/vm/object.h
+++ b/runtime/vm/object.h
@@ -4051,6 +4051,7 @@ class Library : public Object {
   bool HasExports() const;
   RawArray* loaded_scripts() const { return raw_ptr()->loaded_scripts_; }
   RawGrowableObjectArray* metadata() const { return raw_ptr()->metadata_; }
+  void set_metadata(const GrowableObjectArray& value) const;
   RawArray* dictionary() const { return raw_ptr()->dictionary_; }
   void InitClassDictionary() const;
 
@@ -4128,6 +4129,7 @@ class Namespace : public Object {
 
   FINAL_HEAP_OBJECT_IMPLEMENTATION(Namespace, Object);
   friend class Class;
+  friend class Precompiler;
 };
 
 // ObjectPool contains constants, immediates and addresses embedded in code