Using WPT metadata to mark fetch.https.any.js test as slow.

This CL annotates cross-origin-resource-policy/fetch.https.any.js with:
  // META: timeout=long
and removes [ Timeout ] expectations that this test has accumulated in
blink/web_tests/TestExpectations over multiple sheriffing duties.

Bug: 626703
Fixed: 1012599
Change-Id: Ia26c9200bc4182fb7fe51c98fd256079175c0801
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2103074
Commit-Queue: Alex Moshchuk <alexmos@chromium.org>
Auto-Submit: Łukasz Anforowicz <lukasza@chromium.org>
Reviewed-by: Alex Moshchuk <alexmos@chromium.org>
Cr-Commit-Position: refs/heads/master@{#750320}

fetch/cross-origin-resource-policy/fetch.https.any.js

@@ -1,3 +1,4 @@
+// META: timeout=long
 // META: global=window,worker
 // META: script=/common/get-host-info.sub.js