Updating portals visuals:

-> added leave behind asset to dock, issue 5052467
-> new assets
-> modified text

Change-Id: Ie395b768658dd5c02443b37c4f58a02cf3e86e59
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index 215f698..dc18a72 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -92,7 +92,7 @@
     <dimen name="folder_preview_size">64dp</dimen>
     <!-- The amount that the preview contents are inset from the preview background -->
     <dimen name="folder_preview_padding">4dp</dimen>
-    <dimen name="folder_content_name_gap">8dp</dimen>
+    <dimen name="folder_content_name_gap">4dp</dimen>
     <dimen name="folder_width_gap">0dp</dimen>
     <dimen name="folder_height_gap">0dp</dimen>
 </resources>