am 28f83b27: Cherry-pick: Only use <atomic> for C++11 and newer

* commit '28f83b276a2e9183ad842321875d476e1ad82cb1':
  Cherry-pick: Only use <atomic> for C++11 and newer
tree: eed8f795578786c113abffab5e9c93375fb26c6f
  1. 4/
  2. 5/
  3. 6/
  4. 7/
  5. 8/
  6. 9/
  7. Android.mk
  8. CleanSpec.mk