Stable order for serialized requests

BUG=chromium:1051691
TEST=emerge and run_tests.sh

Change-Id: I1b9de092d14241916322097e2bc8b7f7f5040a61
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/tnull/+/2304723
Tested-by: Jacob Kopczynski <jkop@chromium.org>
Auto-Submit: Jacob Kopczynski <jkop@chromium.org>
Commit-Queue: Prathmesh Prabhu <pprabhu@chromium.org>
Reviewed-by: Prathmesh Prabhu <pprabhu@chromium.org>
2 files changed