Converting sound trigger v2.2 getModelState to be asynchronous

Test: built android with checkbuild flag

Change-Id: I4c6f2388c93b6e577113fc7f2cd19242628ee50f
Bug-Id: 70206501
diff --git a/core/java/android/hardware/soundtrigger/SoundTrigger.java b/core/java/android/hardware/soundtrigger/SoundTrigger.java
index 007f4bc..dc4f0b7 100644
--- a/core/java/android/hardware/soundtrigger/SoundTrigger.java
+++ b/core/java/android/hardware/soundtrigger/SoundTrigger.java
@@ -611,6 +611,13 @@
      * @hide
      */
     public static final int RECOGNITION_STATUS_FAILURE = 2;
+    /**
+     * Recognition event was triggered by a getModelState request, not by the
+     * DSP.
+     *
+     * @hide
+     */
+    public static final int RECOGNITION_STATUS_GET_STATE_RESPONSE = 3;
 
     /**
      *  A RecognitionEvent is provided by the