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: I0eb22958103519924e336a2260a4d48015848c3e
diff --git a/common_utility.cpp b/common_utility.cpp
index aeb7c1b..7b88b05 100644
--- a/common_utility.cpp
+++ b/common_utility.cpp
@@ -17,7 +17,7 @@
 using namespace inventory;
 using namespace phosphor::logging;
 
-std::string getService(sdbusplus::bus::bus& bus, const std::string& path,
+std::string getService(sdbusplus::bus_t& bus, const std::string& path,
                        const std::string& interface)
 {
     auto mapper = bus.new_method_call(mapperDestination, mapperObjectPath,
@@ -30,7 +30,7 @@
         auto reply = bus.call(mapper);
         reply.read(response);
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         log<level::ERR>("D-Bus call exception",
                         entry("OBJPATH=%s", mapperObjectPath),