tree 57614ae371a005102b0fb9225605367bfdbe51ee
parent 8d90128bc9c665383e1ab05d5de12432ac71424d
author Fyodor Kupolov <fkupolov@google.com> 1467321602 -0700
committer Fyodor Kupolov <fkupolov@google.com> 1467854429 -0700

Schedule backup of a package on a background thread

Scheduling involves writing to journal file. This part can be done on the
background thread in order to speed up the unlocking. Deferring writes to
journal file should be safe, because the system will reschedule backups in
case of a crash.

Bug: 29619732
Bug: 29645167
Change-Id: I0667ac2bf159e0f40b7a5066f41ea0841df98437