tree e7b19b3c42b97f6292b9b51b244135debd226c22
parent 027bea555dc2d4fb76cec917d403765130db7668
author Sandra Kwan <sandrakwan@google.com> 1447377109 -0800
committer Sandra Kwan <sandrakwan@google.com> 1448066671 -0800

AccountManager: add startUpdateCredentials API.

Adding startUpdateCredentials API to AccountManager and
AbstractAccountAuthenticator.

Change-Id: Id9a1ff86764f2fde01fd8482594e4ae34e1f3bd1