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This a simple upgrade of an existing public Google library
(http://errorprone.info/) from version 2.3.3 to version 2.3.4.

It pulls in error prone's new maven dependencies and removes the ones
that error prone has removed.

Also fixes some of the new issues that were exposed by the new checks.

Bug: 1030676
Change-Id: I2f76601befe4575bb19588a1c701c0bb73170c84
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1953863Reviewed-by: Nico Weber <thakis@chromium.org>
Reviewed-by: Max Moroz <mmoroz@chromium.org>
Reviewed-by: David Trainor <dtrainor@chromium.org>
Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Commit-Queue: Peter Wen <wnwen@chromium.org>
Auto-Submit: Peter Wen <wnwen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#734523}