Fix visibility indentation

Problematic 3-space indentation from
Ia61281f4a23f20947a73d55531e5a6dfed88d6f1, which was diffing with
internal branches.

Test: presubmit
Merged-In: I9683a9e16f253d1b84c069bd6c3b75c8c89553c2
Change-Id: Icb59703f8758c8a661fbc3deba8bcc16f5b8d54d
1 file changed