Add Scott (sclittle) to OWNERS file for chromeproxy waterfall.
Add Scott (sclittle) to OWNERS file for chromeproxy waterfall.

Scott will likely be doing most of our code reviews, and we need to have him as an owner to satisfy the presubmit.

BUG=462326

Review URL: https://codereview.chromium.org/1422743003

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@297251 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build