tree 1a603ac13c0fadc45b630348de25691ca6f7bd67
parent 48a153e57032fccf9ea7dac728d60738c3c848d2
author John Reck <jreck@google.com> 1490650468 -0700
committer John Reck <jreck@google.com> 1490650689 +0000

Add missing assert that task isn't queued

Probably won't fix anything but this assert is in queue()
but not queueAtFront() and inserting a task twice is Really Bad.

Bug: 36139852
Test:  ¯\_(ツ)_/¯
Change-Id: Ida0f829eecfdd46c17c36b816528c49d12b7cf29