Icon displays abnormally about FDN in the phone process

STEPS TO REPRODUCE:
Dialer-Settings-Calling accounts-China Mobile-fixed dialing numbers-FDN list-Edit contact
Selcet all the number,check the icon

EXPECTED RESULTS:
The icon displays normally in the phone process

OBSERVED RESULTS:
Icon displays abnormally about FDN in the phone process

Analysis
android:tint :Colour the icon grey so the icon displays abnormally
but drop "android:tint" the option menu doesn't display,because of the background is white and the overflow_menu is colored white too

Bug: 137898528
Change-Id: I39a78a802c2843fd1fec1ba59ab8e6dbc4cd622d
diff --git a/res/values/colors.xml b/res/values/colors.xml
index be3e2b8..679eba6 100644
--- a/res/values/colors.xml
+++ b/res/values/colors.xml
@@ -44,7 +44,7 @@
     <!-- Dark variant of the action bar color.  Ensure this stays in sync with Dialer version. -->
     <color name="actionbar_background_color_dark">#ffffff</color>
     <!-- Color for icons in the actionbar. Ensure this stays in sync with Dialer version. -->
-    <color name="actionbar_icon_color">#ffffff</color>
+    <color name="actionbar_icon_color">#5f6368</color>
 
     <!-- Color for the setting text. -->
     <color name="setting_primary_color">#333333</color>
diff --git a/res/values/styles.xml b/res/values/styles.xml
index f2db63d..a4a349c 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -169,7 +169,6 @@
 
     <style name="DialerSettingsLight" parent="SettingsLight">
         <!-- Action bar.-->
-        <item name="android:tint">@color/dialer_secondary_text_color</item>
         <item name="android:windowBackground">@color/dialer_background_color</item>
         <item name="android:actionModeBackground">@color/dialer_background_color</item>
         <item name="android:windowLightStatusBar">true</item>
@@ -179,6 +178,7 @@
         <item name="android:windowLightNavigationBar">true</item>
         <item name="android:colorAccent">@color/dialer_theme_color</item>
         <item name="android:dialogTheme">@style/DialerAlertDialogTheme</item>
+        <item name="android:homeAsUpIndicator">@drawable/ic_back_arrow</item>
     </style>
 
     <style name="DialerAlertDialogTheme"