Move chrome/browser/{chromeos => ash}/cryptauth/

Also, the affected files are moved from namespace chromeos to ash.

This CL is part of the Chrome OS source code directory migration:
https://docs.google.com/document/d/1g-98HpzA8XcoGBWUv1gQNr4rbnD5yfvbtYZyPDDbkaE.

Bug: 1164001
Change-Id: I10e54b9e5786940dda2027f65440d3b1fdf3b764
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3169717
Commit-Queue: Henrique Ferreiro <[email protected]>
Reviewed-by: Hidehiko Abe <[email protected]>
Owners-Override: Hidehiko Abe <[email protected]>
Cr-Commit-Position: refs/heads/main@{#924211}
diff --git a/WATCHLISTS b/WATCHLISTS
index 9ebc319..f8dfb7b 100644
--- a/WATCHLISTS
+++ b/WATCHLISTS
@@ -1318,7 +1318,7 @@
     },
     'multidevice': {
       'filepath': 'ash/multi_device_setup/'\
-                  '|chrome/browser/chromeos/cryptauth/'\
+                  '|chrome/browser/ash/cryptauth/'\
                   '|chrome/browser/chromeos/device_sync/'\
                   '|chrome/browser/chromeos/multidevice_setup/'\
                   '|chrome/browser/chromeos/secure_channel/'\