Fix CI unused variable error

"checkAndListenPldmService" API which was being called as a part of bios
handler construction has been moved out and called explicitly to avoid
unused variable error for bios handler object in manager main cpp file.

Change-Id: Ibbc77b6f340ae793b6daf4a4f53ecc6c5326f882
Signed-off-by: Sunny Srivastava <sunnsr25@in.ibm.com>
diff --git a/vpd-manager/src/manager_main.cpp b/vpd-manager/src/manager_main.cpp
index ab1d374..0f8424f 100644
--- a/vpd-manager/src/manager_main.cpp
+++ b/vpd-manager/src/manager_main.cpp
@@ -35,10 +35,28 @@
         auto vpdManager = std::make_shared<vpd::Manager>(
             io_con, interface, progressInf, connection);
 
-        // TODO: Take this under conditional compilation for IBM
-        auto biosHandler =
-            std::make_shared<vpd::BiosHandler<vpd::IbmBiosHandler>>(
-                connection, vpdManager);
+        try
+        {
+            // TODO: Take this under conditional compilation for IBM
+            auto biosHandler =
+                std::make_shared<vpd::BiosHandler<vpd::IbmBiosHandler>>(
+                    connection, vpdManager);
+            biosHandler->checkAndListenPldmService();
+        }
+        catch (const std::exception& l_ex)
+        {
+            // Cathcing exception here explicitly to let VPD-Manager service
+            // continue even when bios handler fails.
+            const std::string& l_errMsg =
+                "Instantiation of BIOS Handler failed. { " +
+                std::string(l_ex.what()) + std::string(" }");
+
+            vpd::EventLogger::createSyncPel(
+                vpd::types::ErrorType::FirmwareError,
+                vpd::types::SeverityType::Warning, __FILE__, __FUNCTION__, 0,
+                l_errMsg, std::nullopt, std::nullopt, std::nullopt,
+                std::nullopt);
+        }
 
         interface->initialize();
         progressInf->initialize();