Disable Perfetto for leak detection

This CL disables perfetto for leak detection for now because perfetto
changed the timing of taking memory dumps and thus leak detection is not
properly working any more.
This is meant to be a temporary fix.

Bug: 936805

Change-Id: I885e2abe074354878cae909af54c194d30e1f132
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1557665
Reviewed-by: Keishi Hattori <keishi@chromium.org>
Commit-Queue: Keishi Hattori <keishi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#652496}
2 files changed