am f88ed6c2: Merge "SensorService handles last known state properly" into gingerbread

Merge commit 'f88ed6c2ce750fcf7fb23778286e15557de758f9' into gingerbread-plus-aosp

* commit 'f88ed6c2ce750fcf7fb23778286e15557de758f9':
  SensorService handles last known state properly