Ensure that clipping widget size is 20~40% of its width on every devices

b/20338324
b/20763871

Change-Id: I69114cb6dfec95c473313a440a6db76a052e5601
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index 46830d6..fd5bff3 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -82,7 +82,7 @@
 
 <!-- Widget tray -->
     <dimen name="widget_container_inset">8dp</dimen>
-    <dimen name="widget_preview_size">120dp</dimen>
+    <dimen name="widget_preview_size">130dp</dimen>
     <dimen name="widget_preview_padding_top">8dp</dimen>
     <dimen name="widget_preview_label_vertical_padding">8dp</dimen>
     <dimen name="widget_preview_label_horizontal_padding">8dp</dimen>
@@ -94,10 +94,10 @@
     <dimen name="widget_section_icon_horizontal_padding">16dp</dimen>
 
     <!-- Equation: widget_preview_size + 2 * widget_preview_padding_horizontal -->
-    <dimen name="widget_preview_container_width">136dp</dimen>
+    <dimen name="widget_preview_container_width">146dp</dimen>
     <dimen name="widget_cell_height">150dp</dimen>
     <dimen name="widget_row_padding">8dp</dimen>
-    <dimen name="widget_row_divider">1dp</dimen>
+    <dimen name="widget_row_divider">2dp</dimen>
 
     <!-- Padding applied to shortcut previews -->
     <dimen name="shortcut_preview_padding_left">0dp</dimen>