tree edab718e06a86238c179547b68ab20e37efdc2cd
parent 7b2039dc0847099aad741aa01dabada66ff020f1
author David Pursehouse <dpursehouse@collab.net> 1539567297 +0900
committer David Pursehouse <dpursehouse@collab.net> 1539567297 +0900

Upgrade jackson to 2.9.7

Core Gerrit exports version 2.9.7 since change I27fc60caf.

Also add dependency on snake-yaml, which is a transitive dependency
of jackson-dataformat-yaml.

Change-Id: I8273608107b9f9af01e2badde47fcf83e5d667e8