activity header has now the same font size as a activity element

Signed-off-by: alex <alex.plutta@googlemail.com>
Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

src/main/res/values/dims.xml

@@ -95,7 +95,7 @@
     <dimen name="activity_icon_height">32dp</dimen>
     <dimen name="activity_icon_layout_right_end_margin">24dp</dimen>
     <dimen name="activity_list_item_grid_layout_left_start_margin">-3dp</dimen>
-    <dimen name="activity_list_item_title_header_text_size">20sp</dimen>
+    <dimen name="activity_list_item_title_header_text_size">16sp</dimen>
     <dimen name="activity_list_layout_recycler_view_margin">-3dp</dimen>
     <dimen name="activity_row_layout_height">48dp</dimen>
     <dimen name="notification_icon_width">32dp</dimen>