add sound trigger native service

Change-Id: I0cd954c1c7d28a334e786d0004431d4f6a1227ec
diff --git a/media/mediaserver/main_mediaserver.cpp b/media/mediaserver/main_mediaserver.cpp
index a347951..af1c9e6 100644
--- a/media/mediaserver/main_mediaserver.cpp
+++ b/media/mediaserver/main_mediaserver.cpp
@@ -34,6 +34,7 @@
 #include "MediaLogService.h"
 #include "MediaPlayerService.h"
 #include "AudioPolicyService.h"
+#include "SoundTriggerHwService.h"
 
 using namespace android;
 
@@ -128,6 +129,7 @@
         MediaPlayerService::instantiate();
         CameraService::instantiate();
         AudioPolicyService::instantiate();
+        SoundTriggerHwService::instantiate();
         registerExtensions();
         ProcessState::self()->startThreadPool();
         IPCThreadState::self()->joinThreadPool();