Adding support for storing keywords in iconCache

Change-Id: I1183e63a6556ebfb3eee5df23d149e09728193a9
diff --git a/src/com/android/launcher3/IconProvider.java b/src/com/android/launcher3/IconProvider.java
index e1ef954..0f006f7 100644
--- a/src/com/android/launcher3/IconProvider.java
+++ b/src/com/android/launcher3/IconProvider.java
@@ -1,16 +1,17 @@
 package com.android.launcher3;
 
-import android.content.Context;
+import static com.android.launcher3.util.MainThreadInitializedObject.forOverride;
+
 import android.content.pm.LauncherActivityInfo;
 import android.graphics.drawable.Drawable;
 
+import com.android.launcher3.util.MainThreadInitializedObject;
 import com.android.launcher3.util.ResourceBasedOverride;
 
 public class IconProvider implements ResourceBasedOverride {
 
-    public static IconProvider newInstance(Context context) {
-        return Overrides.getObject(IconProvider.class, context, R.string.icon_provider_class);
-    }
+    public static MainThreadInitializedObject<IconProvider> INSTANCE =
+            forOverride(IconProvider.class, R.string.icon_provider_class);
 
     public IconProvider() { }