Implement MxOmni Start/stop timer (#181)

* Implement start/stop timer

* Mark StartDirectSound as stub

* remove accidently committed files

LEGO1/mxsoundmanager.cpp

@@ -46,4 +46,23 @@ void MxSoundManager::Destroy(MxBool p_param)
   if (!p_param) {
     MxAudioManager::Destroy();
   }
-}
+}
+
+// OFFSET: LEGO1 0x100ae8b0 STUB
+MxResult MxSoundManager::StartDirectSound(undefined4 p_unknown1, MxBool p_unknown2)
+{
+  // TODO STUB
+  return FAILURE;
+}
+
+// OFFSET: LEGO1 0x100aed10 STUB
+void MxSoundManager::vtable0x34()
+{
+  // TODO STUB
+}
+
+// OFFSET: LEGO1 0x100aee10 STUB
+void MxSoundManager::vtable0x38()
+{
+  // TODO STUB
+}