[gs-regression] cluster regression gs-r7904

[atfxsw01 at tticluster.com]

ran 491 tests in 248.467 seconds on 46 nodes

FAILED 3 of 491 tests
  /b/02/atfxsw01/tests/comparefiles/SoftMaskGroup.pdf
  /b/02/atfxsw01/tests/comparefiles/ai2.pdf
  /b/02/atfxsw01/tests/comparefiles/Bug688631.pdf


Updating baselines for the failed tests.