exception: switch to public sdbus exception

SdBusError was intended to be a private error type inside sdbusplus.
Switch all catch locations to use the general sdbusplus::exception type.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ib7b6d079463ab243e3466ca7bba1cf0da9168d70
diff --git a/virtualSensor.cpp b/virtualSensor.cpp
index 9679b3f..b81201e 100644
--- a/virtualSensor.cpp
+++ b/virtualSensor.cpp
@@ -590,7 +590,7 @@
         auto reply = bus.call(method);
         reply.read(objects);
     }
-    catch (const sdbusplus::exception::SdBusError& ex)
+    catch (const sdbusplus::exception::exception& ex)
     {
         // If entity manager isn't running yet, keep going.
         if (std::string("org.freedesktop.DBus.Error.ServiceUnknown") !=