Don't fade out active page outline during drag-and-drop

=> Keep page backgrounds stable and only slightly modify the alpha + add stroke for active page
=> Don't shrink cell outlines to be too small (issue in hotseat on some devices)
=> Reduce cell radius to 22dp

Bug: 185163323
Test: manual

Change-Id: Ic17999f5672a3355dceeb25af923f02e960389d9
diff --git a/res/color/cell_layout_bg_color_active.xml b/res/color/cell_layout_bg_color_active.xml
index e826489..d1a3d7c 100644
--- a/res/color/cell_layout_bg_color_active.xml
+++ b/res/color/cell_layout_bg_color_active.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:alpha="0.4"
+    <item android:alpha="0.3"
       android:color="?android:attr/colorAccent"/>
 </selector>
diff --git a/res/color/cell_layout_bg_color_inactive.xml b/res/color/cell_layout_bg_color_inactive.xml
index d60a27a..0632100 100644
--- a/res/color/cell_layout_bg_color_inactive.xml
+++ b/res/color/cell_layout_bg_color_inactive.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:alpha="0.3"
+    <item android:alpha="0.25"
         android:color="?android:attr/colorAccent"/>
 </selector>
\ No newline at end of file
diff --git a/res/values/config.xml b/res/values/config.xml
index f8a517d..1e78373 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -35,7 +35,7 @@
     <!-- Workspace -->
     <!-- The duration (in ms) of the fade animation on the object outlines, used when
          we are dragging objects around on the home screen. -->
-    <integer name="config_dragOutlineFadeTime">900</integer>
+    <integer name="config_dragOutlineFadeTime">500</integer>
 
     <!-- The alpha value at which to show the most recent drop visualization outline. -->
     <integer name="config_dragOutlineMaxAlpha">255</integer>
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index 600a550..0a6cce9 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -293,7 +293,7 @@
     <dimen name="overview_task_margin">0dp</dimen>
 
 <!-- Workspace grid visualization parameters -->
-    <dimen name="grid_visualization_rounding_radius">28dp</dimen>
+    <dimen name="grid_visualization_rounding_radius">22dp</dimen>
     <dimen name="grid_visualization_cell_spacing">6dp</dimen>
 
 </resources>