Refactoring PinItemDragListener into a base class to allow diffenret implementations

of multi-window drag and drop

Bug: 62702235
Change-Id: Ie87e0f7d131575bac1cb1099b0a70b230560be9a

src/com/android/launcher3/InstallShortcutReceiver.java

@@ -217,6 +217,10 @@ public class InstallShortcutReceiver extends BroadcastReceiver {
         return info == null ? null : (ShortcutInfo) info.getItemInfo().first;
     }
 
+    public static ShortcutInfo fromActivityInfo(LauncherActivityInfo info, Context context) {
+        return (ShortcutInfo) (new PendingInstallShortcutInfo(info, context).getItemInfo().first);
+    }
+
     public static void queueShortcut(ShortcutInfoCompat info, Context context) {
         queuePendingShortcutInfo(new PendingInstallShortcutInfo(info, context), context);
     }