Converting sound trigger v2.2 getModelState to be asynchronous

Test: built android with checkbuild flag

Change-Id: Ic12dbfe46aae08666ab02a1a8ee0dbb5c2d9381f
Bug-Id: 70206501
diff --git a/include/soundtrigger/ISoundTrigger.h b/include/soundtrigger/ISoundTrigger.h
index ea1aea6..c357caa 100644
--- a/include/soundtrigger/ISoundTrigger.h
+++ b/include/soundtrigger/ISoundTrigger.h
@@ -40,8 +40,7 @@
     virtual status_t startRecognition(sound_model_handle_t handle,
                                       const sp<IMemory>& dataMemory) = 0;
     virtual status_t stopRecognition(sound_model_handle_t handle) = 0;
-    virtual status_t getModelState(sound_model_handle_t handle,
-                                   sp<IMemory>& eventMemory) = 0;
+    virtual status_t getModelState(sound_model_handle_t handle) = 0;
 
 };