[Android] Update bottom system navigation colors

BUG=953462

Change-Id: I937076dbdf0fc97da644bf73aaf3e79678bf215b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1570588Reviewed-by: Ted Choc <tedchoc@chromium.org>
Commit-Queue: Theresa <twellington@chromium.org>
Cr-Commit-Position: refs/heads/master@{#652579}

chrome/android/java/res/values-v29/colors.xml

+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2019 The Chromium Authors. All rights reserved.
+     Use of this source code is governed by a BSD-style license that can be
+     found in the LICENSE file. -->
+
+<resources>
+    <color name="bottom_system_nav_color">@android:color/black</color>
+    <color name="bottom_system_nav_divider_color">@android:color/black</color>
+</resources>

chrome/android/java/res/values-v29/values.xml

+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2019 The Chromium Authors. All rights reserved.
+     Use of this source code is governed by a BSD-style license that can be
+     found in the LICENSE file. -->
+
+<resources xmlns:android="http://schemas.android.com/apk/res/android">
+    <!-- Bottom navigation bar styling. -->
+    <bool name="window_light_navigation_bar">false</bool>
+</resources>
+

chrome/android/java/src/org/chromium/chrome/browser/ui/system/NavigationBarColorController.java

@@ -15,6 +15,7 @@ import android.view.ViewGroup;
 import android.view.Window;
 
 import org.chromium.base.ApiCompatibilityUtils;
+import org.chromium.base.BuildInfo;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.ChromeFeatureList;
 import org.chromium.chrome.browser.compositor.layouts.EmptyOverviewModeObserver;
@@ -85,7 +86,7 @@ class NavigationBarColorController implements VrModeObserver {
 
         // If we're not using a light navigation bar, it will always be black so there's no need
         // to register observers and manipulate coloring.
-        if (!mResources.getBoolean(R.bool.window_light_navigation_bar)) {
+        if (!mResources.getBoolean(R.bool.window_light_navigation_bar) || BuildInfo.isAtLeastQ()) {
             mTabModelSelector = null;
             mTabModelSelectorObserver = null;
             mOverviewModeBehavior = null;
@@ -129,7 +130,7 @@ class NavigationBarColorController implements VrModeObserver {
      */
     public void setOverviewModeBehavior(OverviewModeBehavior overviewModeBehavior) {
         // TODO(https://crbug.com/937946): Adjust after immersive mode manager is hooked up.
-        if (!mResources.getBoolean(R.bool.window_light_navigation_bar)
+        if (!mResources.getBoolean(R.bool.window_light_navigation_bar) || BuildInfo.isAtLeastQ()
                 || (mImmersiveModeManager != null
                         && mImmersiveModeManager.isImmersiveModeSupported())) {
             return;