Upgrade bazlets to the latest stable-2.15 revision

* Update API to 2.15.3
  Fix call to the fail skylark global in junit.bzl
  Format .bzl files with buildifier version 0.12.0
  Update API to 2.14.10
  Set snapshot version to 2.14.11-SNAPSHOT
  Upgrade API version to 2.14.9
  Adjust names of prolog dependencies
  Add optional dir_name argument to gerrit_plugin
  gerrit_plugin: Improve stamping error message
  Upgrade Gerrit API to version 2.15.2
  Set Gerrit API snapshot version to 2.15.2-SNAPSHOT
  Fix the error in project properties generation file
  Switch to 2.14.9-SNAPSHOT Gerrit API version for local dev

Change-Id: Iea7718c128633d75ab73263d03e46b391db7f619
1 file changed