Reland "Move //chrome/browser/{chromeos => ash}/settings"

This is a reland of d53715c5ce9b44dbbb67326d347038c4e429db76

Reason for revert:
The moved OWNER path doesn't update to other OWNERs and FindIt
idendifies as culprit for failures in the build.

Original change's description:
> Move //chrome/browser/{chromeos => ash}/settings
>
> This CL is part of the Chrome OS source code directory migration:
> https://docs.google.com/document/d/1g-98HpzA8XcoGBWUv1gQNr4rbnD5yfvbtYZyPDDbkaE.
>
> Bug: 1164001
> Change-Id: I43364f65c41d9435f66185eeb9832a452565958c
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2706661
> Reviewed-by: Hidehiko Abe <[email protected]>
> Reviewed-by: James Cook <[email protected]>
> Owners-Override: Hidehiko Abe <[email protected]>
> Commit-Queue: Yeunjoo Choi <[email protected]>
> Cr-Commit-Position: refs/heads/master@{#857018}

Bug: 1164001
Change-Id: I481aad7cd7bb9c66439bd340071600a767d50318
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2717423
Reviewed-by: Hidehiko Abe <[email protected]>
Owners-Override: Hidehiko Abe <[email protected]>
Commit-Queue: Yeunjoo Choi <[email protected]>
Cr-Commit-Position: refs/heads/master@{#857587}
diff --git a/chrome/browser/ui/webui/help/help_utils_chromeos.cc b/chrome/browser/ui/webui/help/help_utils_chromeos.cc
index caefb308..cfddc57 100644
--- a/chrome/browser/ui/webui/help/help_utils_chromeos.cc
+++ b/chrome/browser/ui/webui/help/help_utils_chromeos.cc
@@ -11,7 +11,7 @@
 #include "ash/constants/ash_switches.h"
 #include "base/logging.h"
 #include "base/values.h"
-#include "chrome/browser/chromeos/settings/cros_settings.h"
+#include "chrome/browser/ash/settings/cros_settings.h"
 #include "chromeos/settings/cros_settings_names.h"
 
 namespace help_utils_chromeos {