Set colorPrimaryDark to the value assigned in P release

previous value: google_grey_200

Bug: 117532945
Change-Id: Ia1d0a36920e6eff2d7022521123983c947804b91
diff --git a/res/values-v26/styles.xml b/res/values-v26/styles.xml
index e810ab2..8fb408b 100644
--- a/res/values-v26/styles.xml
+++ b/res/values-v26/styles.xml
@@ -19,6 +19,7 @@
 <resources>
     <!-- Theme for the widget container. -->
     <style name="WidgetContainerTheme" parent="@android:style/Theme.DeviceDefault.Settings">
+        <item name="android:colorPrimaryDark">#E8EAED</item>
         <item name="android:colorEdgeEffect">?android:attr/textColorSecondary</item>
     </style>
     <style name="WidgetContainerTheme.Dark" parent="AppTheme.Dark">