.build/runbuild.ps1: Track added files so they can be reverted if the build is cancelled
.build/runbuild.ps1: Track added files so they can be reverted if the build is cancelled

apache/lucenenet,apache/lucenenet,NightOwl888/lucenenet,jeme/lucenenet,apache/lucenenet,jeme/lucenenet,NightOwl888/lucenenet,apache/lucenenet,NightOwl888/lucenenet,NightOwl888/lucenenet,jeme/lucenenet,jeme/lucenenet