Remove Sleep() from PrimitivesWrittenAndGenerated test. Attempt to fix timeouts due to test ordering. Bug: angleproject:5496 Change-Id: I323e85c372c8b4a5e9fc4201004f39bffb1676d4 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2625169 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>