Update git submodules

* Update tools/repohooks from branch 'master'
  to fdd1a840cfdee0d2b67fa60e27e07ef33a989a4a
  - config: add an integration test
    Add a test beyond unittests to help catch real world config logic.
    This would have caught the regression in placeholder expansion.
    This actually caught REPO_PATH being set incorrectly.  But doesn't
    seem like anyone is using it currently, so not a big deal.
    Bug: 139175041
    Test: repo upload works
    Change-Id: I7f6a10b3bceffcfcddeb26aa91a2048ca3d52aeb
1 file changed