DevTools: add more OWNERS

Change-Id: I87d875c4ddc9fe23a7b9c200165443f84818623a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1838193Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Dmitry Gozman <dgozman@chromium.org>
Reviewed-by: John Emau <John.Emau@microsoft.com>
Commit-Queue: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#703655}

third_party/blink/renderer/devtools/OWNERS

+aerotwist@chromium.org
+bmeurer@chromium.org
 dgozman@chromium.org
-pfeldman@chromium.org
-lushnikov@chromium.org
 einbinder@chromium.org
+lomitch@microsoft.com
 luoe@chromium.org
+lushnikov@chromium.org
+pfeldman@chromium.org
 yangguo@chromium.org
 
 per-file BUILD.gn=*