Apply new action button visual design

- Add some icon resources.
- Add icon for each button in action button preference.
- Update "Enable" and "Disable" string to "Install" and "uninstall".
- Remove unused string.
- Add divider between entity header and action buttons.

Test: visual, robotest
Fixes: 119203074
Bug: 116346008
Change-Id: Ib8d7aeb2943d39d257e977b84f165f002bf47559

res/xml/app_info_settings.xml

@@ -25,7 +25,8 @@
         android:key="header_view"
         android:layout="@layout/settings_entity_header"
         android:selectable="false"
-        android:order="-10000" />
+        android:order="-10000"
+        settings:allowDividerBelow="true"/>
 
     <com.android.settings.applications.LayoutPreference
         android:key="instant_app_buttons"
@@ -40,7 +41,8 @@
     <Preference
         android:key="notification_settings"
         android:title="@string/notifications_label"
-        settings:controller="com.android.settings.applications.appinfo.AppNotificationPreferenceController" />
+        settings:controller="com.android.settings.applications.appinfo.AppNotificationPreferenceController"
+        settings:allowDividerAbove="true"/>
 
     <com.android.settings.widget.FixedLineSummaryPreference
         android:key="permission_settings"

res/xml/bluetooth_device_details_fragment.xml

@@ -16,12 +16,14 @@
   -->
 <PreferenceScreen
     xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:settings="http://schemas.android.com/apk/res-auto"
     android:title="@string/device_details_title">
 
     <com.android.settings.applications.LayoutPreference
         android:key="bluetooth_device_header"
         android:layout="@layout/settings_entity_header"
-        android:selectable="false"/>
+        android:selectable="false"
+        settings:allowDividerBelow="true"/>
 
     <com.android.settings.widget.ActionButtonPreference
         android:key="action_buttons" />

res/xml/wifi_network_details_fragment.xml

@@ -23,7 +23,8 @@
         android:key="connection_header"
         android:layout="@layout/settings_entity_header"
         android:selectable="false"
-        android:order="-10000"/>
+        android:order="-10000"
+        settings:allowDividerBelow="true"/>
 
     <!-- Buttons -->
     <com.android.settings.widget.ActionButtonPreference