Update ownerships in tools/perf/OWNERS

Caleb is stepping up to work on Telemetry & benchmarking harnesses
Charlie & Annie, Emily now work on Chrome speed metrics, sharing review load of the web platform benchmarks
peria@'s ownership of oilpan is now reflected in https://cs.chromium.org/chromium/src/tools/perf/contrib/oilpan/OWNERS

Update the OWNER files to reflect the new ownership

Change-Id: Ia3178e3610d00c14a04c420fdf062d53c9e422e2


NOTRY: true # CQ flake
Change-Id: Ia3178e3610d00c14a04c420fdf062d53c9e422e2
Reviewed-on: https://chromium-review.googlesource.com/c/1325079
Commit-Queue: Ned Nguyen <nednguyen@google.com>
Reviewed-by: Juan Antonio Navarro Pérez <perezju@chromium.org>
Reviewed-by: Annie Sullivan <sullivan@chromium.org>
Reviewed-by: Caleb Rouleau <crouleau@chromium.org>
Cr-Commit-Position: refs/heads/master@{#606324}

tools/perf/OWNERS

 charliea@chromium.org
-nednguyen@google.com
+crouleau@chromium.org
+eyaich@chromium.org
 sullivan@chromium.org
+nednguyen@google.com
 
 # For changes related to ChromeOS.
 achuith@chromium.org
 
-# For changes related to generate_perf_json.
-eyaich@chromium.org
-
-# Simple rubberstamp-only oilpan-related changes.
-peria@chromium.org
-
 # For system health memory benchmarks & memory-infra related changes.
 perezju@chromium.org