Add unit tests for Iliad CPER Redfish LogService handlers.

Google-Bug-Id:487370130
PiperOrigin-RevId: 996109278
Change-Id: I374adcb4437b78ea12556dffeb14e3f8fb229990

gbmcweb

diff --git a/gbmcweb b/gbmcweb
index c4e2bfc..0dfdca2 160000
--- a/gbmcweb
+++ b/gbmcweb
@@ -1 +1 @@
-Subproject commit c4e2bfc9cfe9f6aa6004eedddf6926856f4e8b8e
+Subproject commit 0dfdca208ac198aa806d1b490799beba7138568b