am 04d7e83e: Added SensorManager.getAltitude()

Merge commit '04d7e83e65e246e154b5b346e3eb0081b741ae88' into gingerbread-plus-aosp

* commit '04d7e83e65e246e154b5b346e3eb0081b741ae88':
  Added SensorManager.getAltitude()