Revert "Test field trial change to reduce perf regressions"

This reverts commit 9d6cc12318d2261a7858e535cdd83a33c75b080a.

Reason for revert: Perf data has been collected.

Original change's description:
> Test field trial change to reduce perf regressions
> 
> This change is meant to test whether increasing GWP-ASan's allocation
> sampling frequency reduces regressions on the perfbots. It is intended
> to be reverted after perf data has been collected.
> 
> TBR=rkaplow@chromium.org
> 
> Bug: 922556, 921237
> Change-Id: I2b540ad62bd2b2f1d8554aa640bfd16dd3044d64
> Reviewed-on: https://chromium-review.googlesource.com/c/1423181
> Reviewed-by: Vlad Tsyrklevich <vtsyrklevich@chromium.org>
> Commit-Queue: Vlad Tsyrklevich <vtsyrklevich@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#624491}

TBR=rkaplow@chromium.org,vtsyrklevich@chromium.org

Change-Id: I0a6dce3bb8f75e4573537f0332c7abdacf79275b
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 922556, 921237
Reviewed-on: https://chromium-review.googlesource.com/c/1424697
Reviewed-by: Vlad Tsyrklevich <vtsyrklevich@chromium.org>
Commit-Queue: Vlad Tsyrklevich <vtsyrklevich@chromium.org>
Cr-Commit-Position: refs/heads/master@{#624518}
1 file changed