Make `impeller/{archivist|compiler|core|entity}/...` compatible with … (#48153)

impeller/entity/contents/filters/inputs/texture_filter_input.h

diff --git a/impeller/entity/contents/filters/inputs/texture_filter_input.h b/impeller/entity/contents/filters/inputs/texture_filter_input.h
index dd4443e..757f570 100644
--- a/impeller/entity/contents/filters/inputs/texture_filter_input.h
+++ b/impeller/entity/contents/filters/inputs/texture_filter_input.h
@@ -31,8 +31,8 @@
   Matrix GetLocalTransform(const Entity& entity) const override;
 
  private:
-  TextureFilterInput(std::shared_ptr<Texture> texture,
-                     Matrix local_transform = Matrix());
+  explicit TextureFilterInput(std::shared_ptr<Texture> texture,
+                              Matrix local_transform = Matrix());
 
   std::shared_ptr<Texture> texture_;
   Matrix local_transform_;