GitLab

CL:1347648 removed google analytics from FilesApp so metrics_unittest,
which was disabled on issue 842880, can now be deleted [1].

[1] The metrics_unittest test fixtures required a {analytics.Tracker},
which no longer exists in FilesApp.

Bug: 847729, 860355
Change-Id: I0ec71ef837e747cd6647d7359546b9876d62dbc8
Reviewed-on: https://chromium-review.googlesource.com/c/1355303Reviewed-by: Stuart Langley <slangley@chromium.org>
Commit-Queue: Noel Gordon <noel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#612528}