Fix typo in kBrowserBinaryNames for Epiphany Browser.

Because of the typo Epiphany Browser process would never
be matched thus never  be included in the memory summary.

Since this is my first patch to Chromium project I added myself to AUTHORS file.

BUG=NONE
TEST=NONE

Review URL: https://codereview.chromium.org/845733002

Cr-Commit-Position: refs/heads/master@{#312333}
2 files changed