Remove navbar lint suppressions

Lint is no longer incorrectly generating errors for valid v27 usages of
these navbar APIs, so we can now remove these suppressions.

Bug: 856861
Change-Id: If211e8446ad2eb13634b7134b778e2e5b5a0b2f2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2065848
Commit-Queue: Theresa  <twellington@chromium.org>
Auto-Submit: Natalie Chouinard <chouinard@chromium.org>
Reviewed-by: Theresa  <twellington@chromium.org>
Cr-Commit-Position: refs/heads/master@{#743131}

chrome/android/java/res/values-v27/styles.xml

@@ -3,33 +3,25 @@
      Use of this source code is governed by a BSD-style license that can be
      found in the LICENSE file. -->
 
-<resources xmlns:tools="http://schemas.android.com/tools">
+<resources>
     <style name="Theme.Chromium.WithWindowAnimation" parent="Base.Theme.Chromium.WithWindowAnimation">
         <item name="android:navigationBarColor">@color/bottom_system_nav_color</item>
-        <!--suppress NewApi: crbug.com/856861-->
         <item name="android:navigationBarDividerColor">@color/bottom_system_nav_divider_color</item>
-        <!--suppress NewApi: crbug.com/856861-->
         <item name="android:windowLightNavigationBar">@bool/window_light_navigation_bar</item>
     </style>
     <style name="Theme.Chromium.Fullscreen" parent="Base.Theme.Chromium.Fullscreen">
         <item name="android:navigationBarColor">@color/bottom_system_nav_color</item>
-        <!--suppress NewApi: crbug.com/856861-->
         <item name="android:navigationBarDividerColor">@color/bottom_system_nav_divider_color</item>
-        <!--suppress NewApi: crbug.com/856861-->
         <item name="android:windowLightNavigationBar">@bool/window_light_navigation_bar</item>
     </style>
     <style name="Theme.Chromium.WithActionBar" parent="Base.Theme.Chromium.WithActionBar">
         <item name="android:navigationBarColor">@color/bottom_system_nav_color</item>
-        <!--suppress NewApi: crbug.com/856861-->
         <item name="android:navigationBarDividerColor">@color/bottom_system_nav_divider_color</item>
-        <!--suppress NewApi: crbug.com/856861-->
         <item name="android:windowLightNavigationBar">@bool/window_light_navigation_bar</item>
     </style>
     <style name="Theme.Chromium.DialogWhenLarge" parent="Base.Theme.Chromium.DialogWhenLarge">
         <item name="android:navigationBarColor">@color/bottom_system_nav_color</item>
-        <!--suppress NewApi: crbug.com/856861-->
         <item name="android:navigationBarDividerColor">@color/bottom_system_nav_divider_color</item>
-        <!--suppress NewApi: crbug.com/856861-->
         <item name="android:windowLightNavigationBar">@bool/window_light_navigation_bar</item>
     </style>
 </resources>