tree 9d18c57cc4ccd4450e0974c7b6f726b1d4dbe999
parent f18a5aad56ab6b37972b50dffd851eaa1a45b45e
author Tom Cherry <tomcherry@google.com> 1497572036 -0700
committer Tom Cherry <tomcherry@google.com> 1497572372 -0700

Use WaitForProperty() to wait for restorecon

We have android::base::WaitForProperty() that uses futexes to
efficiently wait for property value changes, so use that instead
polling.

Test: Boot bullhead
Change-Id: Id964eddbdbfd9b5ceac5ed83a8ed66b9e60008ca