Refactored section names to only draw when there is space.

- This CL removes all space for section names in both phones
  and tablets.  And when there are no section names, the layout
  will automatically fully merge the sections.

Bug: 20222023
Change-Id: Ic7c751d86f095e5cbd690bfd4f94bb5b00ff8ae4
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index 4c9d57a..da56d90 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -55,7 +55,7 @@
     <!-- Notes: container_bounds_inset - quantum_panel_outer_padding -->
     <dimen name="container_bounds_minus_quantum_panel_padding_inset">4dp</dimen>
 
-    <dimen name="all_apps_grid_view_start_margin">56dp</dimen>
+    <dimen name="all_apps_grid_view_start_margin">0dp</dimen>
     <dimen name="all_apps_grid_section_y_offset">8dp</dimen>
     <dimen name="all_apps_grid_section_text_size">24sp</dimen>
     <dimen name="all_apps_search_bar_height">48dp</dimen>
@@ -65,7 +65,7 @@
     <dimen name="all_apps_prediction_bar_top_bottom_padding">16dp</dimen>
 
     <dimen name="all_apps_fast_scroll_bar_width">4dp</dimen>
-    <dimen name="all_apps_fast_scroll_scrubber_touch_inset">-16dp</dimen>
+    <dimen name="all_apps_fast_scroll_scrubber_touch_inset">-24dp</dimen>
     <dimen name="all_apps_fast_scroll_popup_size">72dp</dimen>
     <dimen name="all_apps_fast_scroll_text_size">48dp</dimen>