services/backup/OWNERS

# Bug component: 656484

aabhinav@google.com
bryanmawhinney@google.com
jstemmer@google.com
millmore@google.com
nathch@google.com
niagra@google.com
niamhfw@google.com
philippov@google.com
rthakohov@google.com
tobiast@google.com