Instrumented libraries: enable Goobuntu source repos in install-build-deps.sh.

Before this change users had to enter this command manually.

BUG=none
R=glider@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/735743002

Cr-Original-Commit-Position: refs/heads/master@{#304606}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 4641fc4ebe96a60657067e23eab02fc70a46352a
1 file changed