Bug 1038084 - Install fxos_appgen into virtualenv for web-platform-tests, r=jgriffin
Bug 1038084 - Install fxos_appgen into virtualenv for web-platform-tests, r=jgriffin

armenzg/build-mozharness,mozilla/build-mozharness,lissyx/build-mozharness,lissyx/build-mozharness,kartikgupta0909/mozilla-mozharness,armenzg/build-mozharness,kartikgupta0909/mozilla-mozharness,mrrrgn/build-mozharness,kartikgupta0909/build-mozharness,simar7/build-mozharness,mrrrgn/build-mozharness,kartikgupta0909/gittest,kartikgupta0909/build-mozharness,kartikgupta0909/gittest,simar7/build-mozharness,walac/build-mozharness,mozilla/build-mozharness,walac/build-mozharness