am a9c5514e: am 4ec14c1e: add new sensor types for handling gyro data and device orientation more efficiently.

Merge commit 'a9c5514e74a921eec19c912ca93cc666e496dc93'

* commit 'a9c5514e74a921eec19c912ca93cc666e496dc93':
  add new sensor types for handling gyro data and device orientation more efficiently.