Update git submodules
Update git submodules

* Update plugins/hooks from branch 'stable-2.16'
  to 47e4b87fca52c5b1dea9ab37833e36fb4f57d3fb
  - Fix source glob in test rule
    
    The glob was only matching files with the name *Test.java which did not
    include HooksIT.java, hence the test was not being executed when run on
    the command line with "bazel test".
    
    Change-Id: If593ad52c24ddd1f633a399f59204fa2a48b0359
    
qtproject/qtqa-gerrit,GerritCodeReview/gerrit,WANdisco/gerrit,WANdisco/gerrit,qtproject/qtqa-gerrit,qtproject/qtqa-gerrit,GerritCodeReview/gerrit,qtproject/qtqa-gerrit,qtproject/qtqa-gerrit,WANdisco/gerrit,WANdisco/gerrit,GerritCodeReview/gerrit,WANdisco/gerrit,WANdisco/gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit,qtproject/qtqa-gerrit,qtproject/qtqa-gerrit,WANdisco/gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit