am 28a6c8e9: am d890cbf7: Remove PollLoop from host build.

Merge commit '28a6c8e9b366ecfc3518e6b0fb1d1bc46cf823e8' into gingerbread-plus-aosp

* commit '28a6c8e9b366ecfc3518e6b0fb1d1bc46cf823e8':
  Remove PollLoop from host build.