cl: hide closed reviews
cl: hide closed reviews

Add closed flag so people can ask for them.

Change-Id: Ifc69f318f54b0c644d2356381e39a757855cd619
Reviewed-on: https://go-review.googlesource.com/11171
Reviewed-by: Brad Fitzpatrick <ae9783c0b0efc69cd85ab025ddd17aa44cdc4aa5@golang.org>

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