Remove all dividers in privacy page

Based on ux rules, remove the dividers for Android S.

Test: See the screen
Fix: 183174009
Change-Id: I7850c37387ccc18964f2c491ec696307f3ad9d4e
diff --git a/res/xml/privacy_dashboard_settings.xml b/res/xml/privacy_dashboard_settings.xml
index 7c4966b..954d3ef 100644
--- a/res/xml/privacy_dashboard_settings.xml
+++ b/res/xml/privacy_dashboard_settings.xml
@@ -21,13 +21,11 @@
     android:key="privacy_dashboard_page"
     android:title="@string/privacy_dashboard_title">
 
-
     <!-- Work Policy info -->
     <Preference
         android:key="work_policy_info"
         android:title="@string/work_policy_privacy_settings"
         android:summary="@string/work_policy_privacy_settings_summary"
-        settings:allowDividerAbove="true"
         settings:controller="com.android.settings.privacy.WorkPolicyInfoPreferenceController"/>
 
     <!-- Connected work and personal apps -->
@@ -42,7 +40,6 @@
     <Preference
         android:key="privacy_accessibility_usage"
         android:title="@string/accessibility_usage_title"
-        settings:allowDividerAbove="true"
         settings:controller="com.android.settings.privacy.AccessibilityUsagePreferenceController">
         <intent android:action="android.intent.action.REVIEW_ACCESSIBILITY_SERVICES"/>
     </Preference>
@@ -52,7 +49,6 @@
         android:key="privacy_permissions_usage"
         android:title="@string/permissions_usage_title"
         android:summary="@string/permissions_usage_summary"
-        settings:allowDividerAbove="true"
         settings:searchable="false"
         settings:controller="com.android.settings.privacy.PrivacyHubPreferenceController">
         <intent android:action="android.intent.action.REVIEW_PERMISSION_USAGE"/>