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: Ibd2a0b512bfb7caf65bfab64b271d194da520aac
diff --git a/user_channel/channel_mgmt.cpp b/user_channel/channel_mgmt.cpp
index 96776df..7d3cf95 100644
--- a/user_channel/channel_mgmt.cpp
+++ b/user_channel/channel_mgmt.cpp
@@ -349,7 +349,7 @@
                 sdbusplus::bus::match::rules::interface(
                     dBusPropertiesInterface) +
                 sdbusplus::bus::match::rules::argN(0, networkChConfigIntfName),
-            [&](sdbusplus::message::message& msg) {
+            [&](sdbusplus::message_t& msg) {
                 DbusChObjProperties props;
                 std::string iface;
                 std::string path = msg.get_path();
@@ -364,7 +364,7 @@
                 sdbusplus::bus::match::rules::member(interfaceAddedSignal) +
                 sdbusplus::bus::match::rules::argNpath(
                     0, std::string(networkIntfObjectBasePath) + "/"),
-            [&](sdbusplus::message::message&) { initChannelPersistData(); });
+            [&](sdbusplus::message_t&) { initChannelPersistData(); });
 
         chInterfaceRemovedSignal = std::make_unique<sdbusplus::bus::match_t>(
             bus,
@@ -372,7 +372,7 @@
                 sdbusplus::bus::match::rules::member(interfaceRemovedSignal) +
                 sdbusplus::bus::match::rules::argNpath(
                     0, std::string(networkIntfObjectBasePath) + "/"),
-            [&](sdbusplus::message::message&) { initChannelPersistData(); });
+            [&](sdbusplus::message_t&) { initChannelPersistData(); });
     }
 }
 
@@ -649,7 +649,7 @@
                 return ccUnspecifiedError;
             }
         }
-        catch (const sdbusplus::exception::exception& e)
+        catch (const sdbusplus::exception_t& e)
         {
             log<level::ERR>("Exception: Network interface does not exist");
             return ccInvalidFieldRequest;
@@ -1321,7 +1321,7 @@
 
         auto reply = bus.call(method);
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         log<level::DEBUG>("set-property failed",
                           entry("SERVICE=%s", service.c_str()),
@@ -1351,7 +1351,7 @@
         auto reply = bus.call(method);
         reply.read(value);
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         log<level::DEBUG>("get-property failed",
                           entry("SERVICE=%s", service.c_str()),
@@ -1396,7 +1396,7 @@
                     "exception: Network interface does not exist");
                 continue;
             }
-            catch (const sdbusplus::exception::exception& e)
+            catch (const sdbusplus::exception_t& e)
             {
                 log<level::DEBUG>(
                     "exception: Network interface does not exist");