Change config.xml handwrtiingSlop to 2dp

Bug: 289118001
Test: atest StylusHandwritingTest
Change-Id: I0c9c7b0b9bc6ffe1cea18c3ae93dc6d4177c4804
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index f5b0711..708de6f 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -2791,7 +2791,7 @@
 
     <!-- Base "handwriting slop" value used by ViewConfiguration as a
      movement threshold where stylus handwriting should begin. -->
-    <dimen name="config_viewConfigurationHandwritingSlop">4dp</dimen>
+    <dimen name="config_viewConfigurationHandwritingSlop">2dp</dimen>
 
     <!-- Base "hover slop" value used by ViewConfiguration as a
          movement threshold under which hover is considered "stationary". -->