devapp/owners: add dmitshur as primary for x/tools/{cmd,}/godoc
devapp/owners: add dmitshur as primary for x/tools/{cmd,}/godoc

Also remove andybons from primary, per his request.

Change-Id: I7e8d1fe7f8f6d98f405f214510cf2a1c9d44f6f0
Reviewed-on: https://go-review.googlesource.com/c/build/+/206889
Reviewed-by: Andrew Bonventre <682ad9f487f614f19e8b7cc5d340bdc8e1c1b128@golang.org>
Run-TryBot: Andrew Bonventre <682ad9f487f614f19e8b7cc5d340bdc8e1c1b128@golang.org>
TryBot-Result: Gobot Gobot <66cb808b70d30c07676d5e946fee83fd561249e5@golang.org>

golang/build,golang/build,golang/build,golang/build