BindingsBenchmark.Run/gl_100_objects_allocated_every_iteration

This test was timing out on the bots. Conservatively skip the benchmark
on Intel/GL/Windows.

Bug: chromium:974083
Change-Id: I4a254bff8b43e5a47b5905ee6b9bc1a659129684
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1660951
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>