Add kwlyeo@chromium.org as an owner of private-join-and-compute.

Change-Id: Ib579960e3f43688a6f77a337e825d22599356429
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2144020
Auto-Submit: Vasilii Sukhanov <vasilii@chromium.org>
Commit-Queue: Jan Wilken Dörrie <jdoerrie@chromium.org>
Reviewed-by: Jan Wilken Dörrie <jdoerrie@chromium.org>
Cr-Commit-Position: refs/heads/master@{#759304}

third_party/private-join-and-compute/OWNERS

 jdoerrie@chromium.org
+kwlyeo@chromium.org
 vasilii@chromium.org
 
 # COMPONENT: UI>Browser>Passwords