Check included files in OwnersValidator

* OwnersValidator now checks included files of any name
  that could be in a given CL or the repository.
  * Previously only changed files of the name "OWNERS" or specified
    ownersFileName are checked.
  * Included files are looked up in a commit's changed file list first,
    then in the repository.
  * Included files in a different CL to be submitted together are
    not checked yet.
  * Use inner class OwnersValidator.Checker to keep all data
    during validation check of one commit event.
  * Use qualified names like p1:d1/f1.txt in error messages when
    source file f1.txt is not in the same repository.
* OwnersValidatorTest is renamed to OwnersValidatorIT
  and inherits from LightweightPluginDaemonTest
  to create files in multiple repositories.

Change-Id: If693e31048045f36633fd9f61d7afc9ee489b052
2 files changed
tree: fa9c11ff462de9b20eda40d4ef8faba063920f85
  1. BUILD
  2. LICENSE
  3. OWNERS
  4. src/