Make "all user" services work when packaged.

services/service_manager/public/interfaces/resolver.mojom

Index: services/service_manager/public/interfaces/resolver.mojom
diff --git a/services/service_manager/public/interfaces/resolver.mojom b/services/service_manager/public/interfaces/resolver.mojom
index ea1b94680c5fa6e85c6a12b1976ab3d81852154b..5ff16cb7832999937026ab95334159c115ad4fc7 100644
--- a/services/service_manager/public/interfaces/resolver.mojom
+++ b/services/service_manager/public/interfaces/resolver.mojom
@@ -29,6 +29,9 @@ struct ResolveResult {
   // will be empty.
   map<string, InterfaceProviderSpec> interface_provider_specs;
 
+  // The set of capabilities of the containing package if any.
+  InterfaceProviderSpec? package_spec;
+
   // A path to the package file specified by |name|.
   mojo.common.mojom.FilePath package_path;
 };