Increased the edge sensitivity for back to 24dp

Test: swipe from side, observe slightly increased back
Bug: 130682266
Change-Id: Ib479f272a309cf4dc008453343e1bb21352a5806
diff --git a/packages/overlays/NavigationBarModeGesturalOverlay/res/values/config.xml b/packages/overlays/NavigationBarModeGesturalOverlay/res/values/config.xml
index 80fd459..637637a 100644
--- a/packages/overlays/NavigationBarModeGesturalOverlay/res/values/config.xml
+++ b/packages/overlays/NavigationBarModeGesturalOverlay/res/values/config.xml
@@ -31,7 +31,7 @@
     <bool name="config_navBarTapThrough">true</bool>
 
     <!-- Controls the size of the back gesture inset. -->
-    <dimen name="config_backGestureInset">20dp</dimen>
+    <dimen name="config_backGestureInset">24dp</dimen>
 
     <!-- Controls whether the navbar needs a scrim with
      {@link Window#setEnsuringNavigationBarContrastWhenTransparent}. -->