CrOS - Enable PIN auto submit policy for M86

Replace future_on with supported_on since the feature is ready.

Bug: 663982
Change-Id: Iacf856f105eb9e95baa0df3387db595b0627ce6b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2410043
Commit-Queue: Renato Silva <rrsilva@google.com>
Commit-Queue: Roman Sorokin [CET] <rsorokin@chromium.org>
Auto-Submit: Renato Silva <rrsilva@google.com>
Reviewed-by: Roman Sorokin [CET] <rsorokin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#807459}

components/policy/resources/policy_templates.json

@@ -23037,7 +23037,7 @@ If you disable this policy, web page scrolling to specific text fragments via UR
       'owners': ['rrsilva@google.com', 'cros-oac@google.com'],
       'type': 'main',
       'schema': { 'type': 'boolean' },
-      'future_on': ['chrome_os'],
+      'supported_on': ['chrome_os:86-'],
       'features': {
         'can_be_recommended' : True,
         'dynamic_refresh': True,