go.tools/ssa: include line count in stdlib_test.
go.tools/ssa: include line count in stdlib_test.

R=gri
CC=golang-dev
https://codereview.appspot.com/20860043

karmakaze/go.tools,lattera/go.tools,lattera/go.tools,karmakaze/go.tools,chenjianlong/go.tools,karmakaze/go.tools,karmakaze/go.tools,karmakaze/go.tools,chenjianlong/go.tools,lattera/go.tools,chenjianlong/go.tools