Skip injection of nvidia-persistenced socket by default

This changes skips the injection of the nvidia-persistenced socket by
default.

An include-persistenced-socket feature flag is added to allow the
injection of this socket to be explicitly requested.

Signed-off-by: Evan Lezar <elezar@nvidia.com>

cmd/nvidia-container-runtime-hook/main.go

@@ -89,6 +89,12 @@ func doPrestart() {
 	rootfs := getRootfsPath(container)
 
 	args := []string{getCLIPath(cli)}
+
+	// Only include the nvidia-persistenced socket if it is explicitly enabled.
+	if !hook.Features.IncludePersistencedSocket.IsEnabled() {
+		args = append(args, "--no-persistenced")
+	}
+
 	if cli.Root != "" {
 		args = append(args, fmt.Sprintf("--root=%s", cli.Root))
 	}