Changes in this CL:
- Roll external/wpt copy of CTS build to master branch
- Roll wpt_internal copy of CTS build to glsl-dependent branch
- Update expectations (with some broad skips)
- Remove running EVERY test with both worker=0 and worker=1
- Run a few operation tests explicitly with worker=1
- Remove 'results' textarea from cts.html (following upstream)

Bug: 1083478, 1069953
Bug: 1069302
Cq-Do-Not-Cancel-Tryjobs: true
Change-Id: I4b9b9f87d080b40577e7f4aeaf5f4a250b31e6e8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2200094
Commit-Queue: Kai Ninomiya <[email protected]>
Reviewed-by: Austin Eng <[email protected]>
Cr-Commit-Position: refs/heads/master@{#770651}