Add myself to OWNERS
Add myself to OWNERS

I want to send isolated fixes CLs to mknyszek, who contributed code this in
area, to reduce load on the team. This requires me or him to be an owner.
Choosing me. :)

R=a30c74fa30536fe7ea81ed6dec202e35e149e1fd@chromium.org

Change-Id: I239249437486da4ad4831ff9d40bee7ad2dfe9f6
Reviewed-on: https://chromium-review.googlesource.com/1082375
Reviewed-by: Andrii Shyshkalov <a30c74fa30536fe7ea81ed6dec202e35e149e1fd@chromium.org>
Commit-Queue: Andrii Shyshkalov <a30c74fa30536fe7ea81ed6dec202e35e149e1fd@chromium.org>

luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go