tools OWNER tweaks

s/rsesek/ananthak/ for bisect-builds.py

Add tools/perf_expectations/OWNERS according to
"[chromium-dev] OWNERS needed for tools/perf_expectations"

BUG=none

Review URL: https://codereview.chromium.org/1508103002

Cr-Original-Commit-Position: refs/heads/master@{#364070}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 68678a2fc0b49c1900915057153b0fa527071a69
1 file changed