Make classes that extend ItemInfo public.

Also follow up on changes in ag/418520, adding Views to those method
params.

Change-Id: I93e0a3b30d10b969d1903a2f227f6744d709e89a
diff --git a/src/com/android/launcher3/AppInfo.java b/src/com/android/launcher3/AppInfo.java
index da222f1..5e8cca8 100644
--- a/src/com/android/launcher3/AppInfo.java
+++ b/src/com/android/launcher3/AppInfo.java
@@ -31,7 +31,7 @@
 /**
  * Represents an app in AllAppsView.
  */
-class AppInfo extends ItemInfo {
+public class AppInfo extends ItemInfo {
     private static final String TAG = "Launcher3.AppInfo";
 
     /**