Set the default value for SCROLL_TOP_TO_RESET to true.

Per UX, we can enable this feature by default.

Bug: 218846025
Test: manual
Change-Id: I828515ec45e84007cee3893cd2b76fca7c5afee2

src/com/android/launcher3/config/FeatureFlags.java

@@ -304,7 +304,7 @@ public final class FeatureFlags {
             "ENABLE_WIDGET_PICKER_DEPTH", true, "Enable changing depth in widget picker.");
 
     public static final BooleanFlag SCROLL_TOP_TO_RESET = new DeviceFlag(
-            "SCROLL_TOP_TO_RESET", false, "Bring up IME and focus on "
+            "SCROLL_TOP_TO_RESET", true, "Bring up IME and focus on "
             + "input when scroll to top if 'Always show keyboard' is enabled or in prefix state");
 
     public static final BooleanFlag SHOW_DELIGHTFUL_PAGINATION = getDebugFlag(