[CrOS Printing] Fix PrintingSendUsernameAndFilenameEnabled description

Add HTTPS to a list of supported protocols.

Bug: None
Change-Id: Ibbfcd5e9058758de6bf7b4dca799a92d00bf5d54
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2035994
Commit-Queue: Sergey Poromov <poromov@chromium.org>
Reviewed-by: Sergey Poromov <poromov@chromium.org>
Auto-Submit: Vladislav Kuzkokov <vkuzkokov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#738897}

components/policy/resources/policy_templates.json

@@ -2230,7 +2230,7 @@
       'id': 525,
       'caption': '''Restrict PIN printing mode''',
       'tags': [],
-      'desc': '''Restricts PIN printing mode. Unset policy is treated as no restriction. If the mode is unavailable this policy is ignored. Note that PIN printing feature is enabled only for printers that use one of IPPS, USB or IPP-over-USB protocols ''',
+      'desc': '''Restricts PIN printing mode. Unset policy is treated as no restriction. If the mode is unavailable this policy is ignored. Note that PIN printing feature is enabled only for printers that use one of IPPS, HTTPS, USB or IPP-over-USB protocols.''',
     },
     {
       'name': 'PrintingAllowedBackgroundGraphicsModes',