tree 02a41cff664a0ad46b7b51806e852ab674e8d25a
parent 8a9c47e1bae042673ab888037f3871d8420d99da
author Jason Monk <jmonk@google.com> 1526310859 -0400
committer Jason Monk <jmonk@google.com> 1526310859 -0400

Protect against multiple starts of device index job

Its rare, but can happen.

Test: existing tests pass
Change-Id: Ie7aaa47902741d5f7fdd954f35e8f13e9466e07c
Fixes: 78898947