🛃 Fix version check for Custom Tabs Navbar color.

UiUtils.setNavigationBarIconColor works on Android versions greater than
or equal to Android Oreo. Our calling code incorrectly assumes it only
works on Android versions strictly greater than Android Oreo. This CL
fixes that.

Bug: 1082357
Change-Id: I34794a8f5bc84ff3b7312291737a5bdd6ea9bed4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2209080
Commit-Queue: Peter Conn <peconn@chromium.org>
Auto-Submit: Peter Conn <peconn@chromium.org>
Reviewed-by: Michael van Ouwerkerk <mvanouwerkerk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#770563}

chrome/android/java/src/org/chromium/chrome/browser/customtabs/features/CustomTabNavigationBarController.java

@@ -34,7 +34,7 @@ public class CustomTabNavigationBarController {
         Window window = activity.getWindow();
 
         boolean needsDarkButtons = !ColorUtils.shouldUseLightForegroundOnBackground(color);
-        boolean supportsDarkButtons = Build.VERSION.SDK_INT > Build.VERSION_CODES.O;
+        boolean supportsDarkButtons = Build.VERSION.SDK_INT >= Build.VERSION_CODES.O;
 
         if (supportsDarkButtons) {
             UiUtils.setNavigationBarIconColor(window.getDecorView().getRootView(),