Add more OWNERS for DevTools protocol definitions

R=alph@chromium.org

Change-Id: I615b9274cd0f6128d3f2377ef9dacb6aa1980446
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1601494Reviewed-by: Alexei Filippov <alph@chromium.org>
Reviewed-by: Pavel Feldman <pfeldman@chromium.org>
Reviewed-by: Dmitry Gozman <dgozman@chromium.org>
Commit-Queue: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61365}

src/inspector/OWNERS

@@ -10,8 +10,10 @@ yangguo@chromium.org
 # Changes to remote debugging protocol require devtools review to
 # ensure backwards compatibility and commitment to maintain.
 per-file js_protocol.pdl=set noparent
+per-file js_protocol.pdl=alph@chromium.org
 per-file js_protocol.pdl=dgozman@chromium.org
 per-file js_protocol.pdl=pfeldman@chromium.org
+per-file js_protocol.pdl=yangguo@chromium.org
 
 per-file PRESUBMIT.py=machenbach@chromium.org
 per-file PRESUBMIT.py=sergiyb@chromium.org