sdbusplus: use shorter type aliases

The sdbusplus headers provide shortened aliases for many types.
Switch to using them to provide better code clarity and shorter
lines.  Possible replacements are for:
  * bus_t
  * exception_t
  * manager_t
  * match_t
  * message_t
  * object_t
  * slot_t

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ibc25db433a6926f7ee43ea83312c3ac14f480c33
diff --git a/log_manager_main.cpp b/log_manager_main.cpp
index 432d172..e17038c 100644
--- a/log_manager_main.cpp
+++ b/log_manager_main.cpp
@@ -20,7 +20,7 @@
     bus.attach_event(event.get(), SD_EVENT_PRIORITY_NORMAL);
 
     // Add sdbusplus ObjectManager for the 'root' path of the logging manager.
-    sdbusplus::server::manager::manager objManager(bus, OBJ_LOGGING);
+    sdbusplus::server::manager_t objManager(bus, OBJ_LOGGING);
 
     phosphor::logging::internal::Manager iMgr(bus, OBJ_INTERNAL);