tree 6eb249951d4f9c1f3f0044e8c4ab198c73a59c5f
parent 693c95b8abb43e503073cefc395339edc4a2a8df
parent bdfd558098f827fbd8c3a03608df134ba80efb15
author Yifan Hong <elsk@google.com> 1490147259 +0000
committer android-build-merger <android-build-merger@google.com> 1490147259 +0000

TaskRunner starts the background thread only when needed. am: f01dad4b26 am: 5978efbd52
am: bdfd558098

Change-Id: I81ed76fe3e6add810866ad148127b9ae7c894a7d