am 57534f1b: Improves documentation for GeolocationPermissions class.

Merge commit '57534f1b9f52cea094e8197d1ca40f0d2f68cc66' into eclair-mr2-plus-aosp

* commit '57534f1b9f52cea094e8197d1ca40f0d2f68cc66':
  Improves documentation for GeolocationPermissions class.