Introduce a new flag to guard keyboard synchronization.

Bug: 234812580
Test: manual
Change-Id: I1c8714fa68cde06b95f6a7822075188c7dc2f71f
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index 4fd13b2..f5683d1 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -265,6 +265,11 @@
     public static final BooleanFlag ENABLE_ONE_SEARCH_MOTION = new DeviceFlag(
             "ENABLE_ONE_SEARCH_MOTION", true, "Enables animations in OneSearch.");
 
+    public static final BooleanFlag ENABLE_KEYBOARD_TRANSITION_SYNC = new DeviceFlag(
+            "ENABLE_KEYBOARD_TRANSITION_SYNC", false,
+            "Enable option to synchronize the keyboard open and close animations when transitioning"
+                    + " between home and all apps");
+
     public static final BooleanFlag ENABLE_SHOW_KEYBOARD_OPTION_IN_ALL_APPS = new DeviceFlag(
             "ENABLE_SHOW_KEYBOARD_OPTION_IN_ALL_APPS", true,
             "Enable option to show keyboard when going to all-apps");