Add metrics for password settings access points on Android

The histograms are currently recorded downstream in CL 725249.

Bug: 912033
Change-Id: I4266135e3b63ad0bbafdb0a06ea7bd7a2a8c2ee3
Reviewed-on: https://chromium-review.googlesource.com/c/1361722
Reviewed-by: Theresa <twellington@chromium.org>
Reviewed-by: Jesse Doherty <jwd@chromium.org>
Reviewed-by: Vasilii Sukhanov <vasilii@chromium.org>
Commit-Queue: Ioana Pandele <ioanap@chromium.org>
Cr-Commit-Position: refs/heads/master@{#614680}
15 files changed