Attempt to unmark some tests as slow/timeout

Now that SwiftShader is on Linux/Windows/MacOS and that a recent
performance improvement has been landed in SwiftShader, verify
which tests still require the Slow/Timeout markers and which don't.

TBR=kbr@chromium.org

Bug:chromium:24182 chromium:433711 chromium:763197 chromium:311482 chromium:243871 chromium:664857 chromium:9798 chromium:237270 chromium:241576 chromium:241869 chromium:246749 chromium:535478 chromium:363029 chromium:364225 chromium:552556 chromium:570656 chromium:584807 chromium:614910 chromium:791659 chromium:726075 chromium:808153 chromium:816045 chromium:693568 chromium:626703 chromium:703533 chromium:786641 chromium:799137 chromium:831686 chromium:831230 chromium:818324 chromium:810437 chromium:847205 chromium:848799 chromium:828962 chromium:849284 chromium:855055

Change-Id: I5d36d20bd87b234fefe4da3ea7e4af039c0188cb
Reviewed-on: https://chromium-review.googlesource.com/1102341
Reviewed-by: Alexis Hétu <sugoi@chromium.org>
Commit-Queue: Alexis Hétu <sugoi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#572962}
2 files changed