Fix small gap between widget resize frame and widget background.

There is a 1dp gap on left/top/right/bottom between widget resize frame and widget background. Increasing the margin by 1dp will fill this gap.

Fix: 291104076
Test: See https://b.corp.google.com/issues/291104076#comment9
Flag: NONE
Change-Id: I471c27b8b5d59850a4bf342fc2d8fee50d6fd65d
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index 603e697..b19ee0c 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -56,7 +56,7 @@
     <!-- App Widget resize frame -->
     <dimen name="widget_handle_margin">13dp</dimen>
     <dimen name="resize_frame_background_padding">24dp</dimen>
-    <dimen name="resize_frame_margin">22dp</dimen>
+    <dimen name="resize_frame_margin">23dp</dimen>
     <dimen name="resize_frame_invalid_drag_across_two_panel_opacity_margin">24dp</dimen>
 
     <!-- App widget reconfigure button -->