Fix NPE in Workspace.onDropCompleted

Bug: 11627757
Change-Id: I9dc86856d4bc00253d6350d157be541a8c46888d
diff --git a/src/com/android/launcher3/LauncherAppState.java b/src/com/android/launcher3/LauncherAppState.java
index 5e41fca..5cfcf8b 100644
--- a/src/com/android/launcher3/LauncherAppState.java
+++ b/src/com/android/launcher3/LauncherAppState.java
@@ -238,4 +238,8 @@
         return getInstance().mBuildInfo.isDogfoodBuild() &&
                 Launcher.isPropertyEnabled(Launcher.DISABLE_ALL_APPS_PROPERTY);
     }
+
+    public static boolean isDogfoodBuild() {
+        return getInstance().mBuildInfo.isDogfoodBuild();
+    }
 }