Allow Googlebot to access all_rotations.js so I can fetch it to update an escalator rotation
Allow Googlebot to access all_rotations.js so I can fetch it to update an escalator rotation

BUG=

Review URL: https://codereview.chromium.org/1351033002

nicko96/Chrome-Infra,nicko96/Chrome-Infra,nicko96/Chrome-Infra,nicko96/Chrome-Infra,nicko96/Chrome-Infra