Moving model data structures to a separate file

Change-Id: I77ad7a5219e72d2e0d6c1803de2ac3ed6a65a8f7
diff --git a/src/com/android/launcher3/Hotseat.java b/src/com/android/launcher3/Hotseat.java
index 78bd2ff..be941f2 100644
--- a/src/com/android/launcher3/Hotseat.java
+++ b/src/com/android/launcher3/Hotseat.java
@@ -28,6 +28,7 @@
 import android.widget.FrameLayout;
 
 import com.android.launcher3.logging.StatsLogUtils.LogContainerProvider;
+import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Target;