Update shortcut animations.

- Open animation: shortcuts reveal using modified circular reveal
  (so that it reveals in the pill shape instead of a circle);
  slight translation away from the original icon; scale icon and text.
- Hover animation: scale the shortcut pill and translate others away.

Bug: 28980830
Bug: 30127368
Change-Id: I8ed05c7a082f2c2a3f6c663da7259f6cd33e394f
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index 38775f1..8b02e5a 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -152,12 +152,16 @@
 
 <!-- Deep shortcuts -->
     <dimen name="deep_shortcuts_elevation">9dp</dimen>
-    <dimen name="deep_shortcuts_width">180dp</dimen>
+    <dimen name="bg_pill_width">180dp</dimen>
+    <dimen name="bg_pill_height">48dp</dimen>
+    <dimen name="bg_pill_radius">24dp</dimen>
     <dimen name="deep_shortcuts_spacing">4dp</dimen>
     <dimen name="deep_shortcuts_drag_view_scale">6dp</dimen>
     <!-- an icon with shortcuts must be dragged this much distance away from the nearest edge
          of the shortcut container before the container is removed. -->
     <dimen name="deep_shortcuts_start_drag_threshold">35dp</dimen>
     <dimen name="deep_shortcut_icon_size">36dp</dimen>
+    <dimen name="deep_shortcuts_arrow_horizontal_offset">19dp</dimen>
+    <dimen name="deep_shortcut_anim_translation_y">5dp</dimen>
 
 </resources>