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: I6a559082fed34ae62b648345ead793436d2d03f6
diff --git a/src/test/propertywatchtest.hpp b/src/test/propertywatchtest.hpp
index 6fcf45f..f6b7496 100644
--- a/src/test/propertywatchtest.hpp
+++ b/src/test/propertywatchtest.hpp
@@ -255,9 +255,8 @@
                      const std::string&, const std::string&, const std::string&,
                      const std::string&, const std::string&));
 
-    MOCK_METHOD2(fwdAddMatch,
-                 void(const std::string&,
-                      const sdbusplus::bus::match::match::callback_t&));
+    MOCK_METHOD2(fwdAddMatch, void(const std::string&,
+                                   const sdbusplus::bus::match_t::callback_t&));
 
     static MockDBusInterface* ptr;
     static MockDBusInterface& instance()
@@ -282,9 +281,8 @@
     }
 
     /** @brief GMock free function forward. */
-    static auto
-        addMatch(const std::string& match,
-                 const sdbusplus::bus::match::match::callback_t& callback)
+    static auto addMatch(const std::string& match,
+                         const sdbusplus::bus::match_t::callback_t& callback)
     {
         instance().fwdAddMatch(match, callback);
     }