am fede9aed: Merge "Forcibly unmount the sdcard after N retries." into froyo

Merge commit 'fede9aed2b1f0b6316e18cbfa58be593fa7eb14c' into froyo-plus-aosp

* commit 'fede9aed2b1f0b6316e18cbfa58be593fa7eb14c':
  Forcibly unmount the sdcard after N retries.