Add to ANGLE's OWNERS

Add Frank and his new team members to OWNERS.  Will also add to
OWNERS.android so that they can land ANGLE->AOSP autorolls.

Bug: b/221459804
Change-Id: I64ee42318fa5631dc3fc40948e3f137fe2b18955
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3488560
Reviewed-by: Lingfeng Yang <lfy@google.com>
Commit-Queue: Ian Elliott <ianelliott@google.com>

OWNERS

@@ -11,15 +11,21 @@ syoussefi@chromium.org
 ynovikov@chromium.org
 
 # @google.com email addresses:
+abdolrashidi@google.com
 cclao@google.com
+chrisforbes@google.com
 cnorthrop@google.com
 geofflang@google.com
 ianelliott@google.com
 jmadill@google.com
 jonahr@google.com
+lfy@google.com
+romanl@google.com
 syoussefi@google.com
 timvp@google.com
+vantablack@google.com
 ynovikov@google.com
+yuxinhu@google.com
 
 # The auto-roller can also modify autogenerated files, so we give it ownership
 # over all ANGLE files.