cmd/coordinator: don't count waiting as cleanup
cmd/coordinator: don't count waiting as cleanup

Change-Id: Icfe67fb57a41cbe438cb2d5cf50ed1391cecee34
Reviewed-on: https://go-review.googlesource.com/9495
Reviewed-by: Brad Fitzpatrick <ae9783c0b0efc69cd85ab025ddd17aa44cdc4aa5@golang.org>

proppy/build,golang/build,proppy/build,evandbrown/build,evandbrown/build,golang/build,golang/build,proppy/build,golang/build,evandbrown/build,proppy/build