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: Ie36d234f4580029a7832a0cd179f3bb78a1a403f
diff --git a/pid/builder.hpp b/pid/builder.hpp
index 5f03400..dbfc229 100644
--- a/pid/builder.hpp
+++ b/pid/builder.hpp
@@ -15,6 +15,6 @@
 std::unordered_map<int64_t, std::shared_ptr<ZoneInterface>>
     buildZones(const std::map<int64_t, conf::PIDConf>& zonePids,
                std::map<int64_t, conf::ZoneConfig>& zoneConfigs,
-               SensorManager& mgr, sdbusplus::bus::bus& modeControlBus);
+               SensorManager& mgr, sdbusplus::bus_t& modeControlBus);
 
 }