am 9090c4c1: (-s ours) am da21ccf8: Grandfather the simulator-specific modules. do not merge.

Merge commit '9090c4c1d77d574a7213724314a64f65a458e84c'

* commit '9090c4c1d77d574a7213724314a64f65a458e84c':
  Grandfather the simulator-specific modules. do not merge.