Add gov.uk without subdomains to HSTS Preload list

Bug: 700280
Change-Id: Icf24e2f8c1b4c96c198039561fbf8c2d97cd2b82
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1500138Reviewed-by: Bence Béky <bnc@chromium.org>
Commit-Queue: Nick Harper <nharper@chromium.org>
Cr-Commit-Position: refs/heads/master@{#638246}

net/http/transport_security_state_static.json

@@ -68344,6 +68344,7 @@
     { "name": "ft.com", "policy": "custom", "mode": "force-https", "include_subdomains": false },
     { "name": "www.ft.com", "policy": "custom", "mode": "force-https", "include_subdomains": true },
     { "name": "va.gov", "policy": "custom", "mode": "force-https", "include_subdomains": false },
+    { "name": "gov.uk", "policy": "custom", "mode": "force-https", "include_subdomains": false },
     // HPKP
     { "name": "swehack.org", "policy": "custom", "mode": "force-https", "include_subdomains": true, "pins": "swehackCom" },
     { "name": "ncsccs.com", "policy": "custom", "mode": "force-https", "include_subdomains": true, "pins": "ncsccs" },