am f307ec5d: Merge change Iafa92b8f into eclair-mr2

Merge commit 'f307ec5d82ce75112eb60118db89dbfee6819e90' into eclair-mr2-plus-aosp

* commit 'f307ec5d82ce75112eb60118db89dbfee6819e90':
  remove accounts for authenticators that are uninstalled