Logging state change events when in test to simplify diagnosing

Change-Id: I48f741802696f7ef1764a5745ae6243c407a19cc
diff --git a/src/com/android/launcher3/compat/AccessibilityManagerCompat.java b/src/com/android/launcher3/compat/AccessibilityManagerCompat.java
index d47a40e..28579c1 100644
--- a/src/com/android/launcher3/compat/AccessibilityManagerCompat.java
+++ b/src/com/android/launcher3/compat/AccessibilityManagerCompat.java
@@ -18,6 +18,7 @@
 
 import android.content.Context;
 import android.os.Bundle;
+import android.util.Log;
 import android.view.View;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityManager;
@@ -57,6 +58,7 @@
         parcel.putInt(TestProtocol.STATE_FIELD, stateOrdinal);
 
         sendEventToTest(accessibilityManager, TestProtocol.SWITCHED_TO_STATE_MESSAGE, parcel);
+        Log.d(TestProtocol.PERMANENT_DIAG_TAG, "sendStateEventToTest: " + stateOrdinal);
     }
 
     public static void sendScrollFinishedEventToTest(Context context) {