Add peak port
Merge pull request #70 from vasild/master

Bug 831147 - Integrate apitrace into build
Back out apitrace on manifests that releng depends on
Bug 868263 - Back out apitrace due to build failure

Change-Id: Idd147dcdb047c40455f6f23e4aeebf7a815740ee
Bug 831147 - Integrate apitrace into build

Add apitrace repo to manifest files, so that it gets fetched
when the top-level ./config.sh script is run.