* stable-3.2:
Upgrade auto-value to 1.7.4
Respect container.replica option in gerrit.sh script
Fix plugin builds on OSX
Upgrade metrics-core to 4.1.10.1
Add guidelines on choosing a branch for contributions
For errors on `refs/publish/...`, warn about too old git-review
Fix an outdated test
Fix selection on diff with range comments
Restore keyboard shortcut for expand all diff context
Fix the position of the hovercard
In plugin list, add placeholders for missing versions
Add Api version to plugin list in PolyGerrit UI
Add Api version to `plugin ls` Ssh command text format
Expose Api version through PluginInfo
When writing temporary plugin files, ensure the directory exists
Update git submodules
Update git submodules
Change-Id: Id20934171f5fb8051858824758c50953f20948ef
b3a71ccef8