Adds Enpass Password Manager to kAllPasswordManagerApps

App:
https://itunes.apple.com/us/app/enpass-password-manager/id455566716?mt=8

BUG=685094
TEST=Install Enpass app and test that extension works
NOTRY=true

Review-Url: https://codereview.chromium.org/2820113002
Cr-Commit-Position: refs/heads/master@{#466114}