buffet: Send modelManifestId with device registration
modelManifestId is ID of manifest with useful information
that can be used by device clients.
modelManifestId is the same value as modelId from /privet/info.
CQ-DEPEND=CL:251381
BUG=brillo:295
TEST=unittests
Change-Id: Ic847c30badd9aa8b97f3deb7939813cc95195f02
Reviewed-on: https://chromium-review.googlesource.com/251141
Reviewed-by: Christopher Wiley <wiley@chromium.org>
Tested-by: Vitaly Buka <vitalybuka@chromium.org>
Commit-Queue: Vitaly Buka <vitalybuka@chromium.org>
diff --git a/buffet/device_registration_storage_keys.h b/buffet/device_registration_storage_keys.h
index d7946bc..40a88f9 100644
--- a/buffet/device_registration_storage_keys.h
+++ b/buffet/device_registration_storage_keys.h
@@ -26,6 +26,7 @@
extern const char kDisplayName[];
extern const char kDescription[];
extern const char kLocation[];
+extern const char kModelId[];
} // namespace storage_keys
} // namespace buffet
