Do not link against pthread on Android (#259) (#267)
Do not link against pthread on Android (#259) (#267)

Signed-off-by: Esteve Fernandez <16bfcab06c3ff66904f0d261c5a2b44be3409a39@apache.org>

Co-authored-by: Esteve Fernandez <16bfcab06c3ff66904f0d261c5a2b44be3409a39@apache.org>
ros2/rmw,ros2/rmw