Add etiennep@ as base/task/thread_pool OWNER

R=fdoray@chromium.org, robliao@chromium.org, skyostil@chromium.org

Bug: None
Change-Id: I4db3f25779387307f85d01cff2f9dd1d53b08051
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2015180Reviewed-by: Etienne Pierre-Doray <etiennep@chromium.org>
Reviewed-by: Robert Liao <robliao@chromium.org>
Reviewed-by: François Doray <fdoray@chromium.org>
Commit-Queue: Gabriel Charette <gab@chromium.org>
Cr-Commit-Position: refs/heads/master@{#734592}

base/task/OWNERS

+etiennep@chromium.org
 fdoray@chromium.org
 gab@chromium.org
 robliao@chromium.org
@@ -7,4 +8,4 @@ carlscab@google.com
 skyostil@chromium.org
 
 # TEAM: scheduler-dev@chromium.org
-# COMPONENT: Internals>TaskScheduler
+# COMPONENT: Internals>TaskScheduling

base/task/thread_pool/OWNERS

+etiennep@chromium.org
 fdoray@chromium.org
 gab@chromium.org
 robliao@chromium.org