Merge "Dup fds to stop finalizers from invalidating them." into nougat-mr1-cts-dev
am: bfabfe75f9

Change-Id: If02ea4f12870acb3e5e1bce9e9ddbc42c0fd05f0
tree: 1e74738daf3b8c6f229122abe5c149fee5ba1269
  1. tests/