Grey out suspended applications.

Grey out application shortcuts and all apps entries
for packages that are suspended.

Bug: 22776761
Change-Id: I1b63da1816aca1de52b9f9bee62d1b162d0cdf4d
diff --git a/src/com/android/launcher3/ItemInfo.java b/src/com/android/launcher3/ItemInfo.java
index aa5a18d..1ba09e1 100644
--- a/src/com/android/launcher3/ItemInfo.java
+++ b/src/com/android/launcher3/ItemInfo.java
@@ -198,4 +198,11 @@
             + " screen=" + screenId + " cellX=" + cellX + " cellY=" + cellY + " spanX=" + spanX
             + " spanY=" + spanY + " user=" + user + ")";
     }
+
+    /**
+     * Whether this item is disabled.
+     */
+    public boolean isDisabled() {
+        return false;
+    }
 }