Override app launch transition for LMP preview

issue 15544569 j)

Change-Id: I8aff85a154cb98d865a8834f37b13e30cd03de6c
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index e5a17c0..60efcea 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -2744,6 +2744,10 @@
                         v.getMeasuredWidth(), v.getMeasuredHeight());
                 optsBundle = opts.toBundle();
             }
+            if (useLaunchAnimation && Utilities.isLmp()) {
+                ActivityOptions opts = ActivityOptions.makeCustomAnimation(this, R.anim.task_open_enter, R.anim.no_anim);
+                optsBundle = opts.toBundle();
+            }
 
             if (user == null || user.equals(UserHandleCompat.myUserHandle())) {
                 // Could be launching some bookkeeping activity