[Unfold animation] Disable preemptive launcher animation

Disables preemptive unfold animation by default.

Bug: 281821523
Test: unfold on launcher
Change-Id: I767f25cf0414a91c82a33cf86ca16db2e4dcfa22
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index 621c2ab..f88ff86 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -302,7 +302,7 @@
             "Enable widget transition animation when resizing the widgets");
 
     public static final BooleanFlag PREEMPTIVE_UNFOLD_ANIMATION_START = getDebugFlag(270397209,
-            "PREEMPTIVE_UNFOLD_ANIMATION_START", ENABLED,
+            "PREEMPTIVE_UNFOLD_ANIMATION_START", DISABLED,
             "Enables starting the unfold animation preemptively when unfolding, without"
                     + "waiting for SystemUI and then merging the SystemUI progress whenever we "
                     + "start receiving the events");