tree 4ce38d5eb231e7e483ab29802e58d37ff3fd86a8
parent eef67ae18f027f6c0eb7a2fa48ed1096b8ce5c2f
author Sho SHIMIZU <sshimizu@us.fujitsu.com> 1435786751 -0700
committer Gerrit Code Review <gerrit@onlab.us> 1435817075 +0000

Make ObjectiveInstaller thread safe

Objective installer may have been dispatched to a different thread and
numAttempts was possibly accessed from multiple threads

This solution is to create a new instance for the next trial

Change-Id: I5d85f87567241f3e072c38f094eb5c7ba511a6a5