Don't depend on download_build_install.py in instrumented library targets.

I'm still tweaking the script to accommodate specific libraries. Rebuilding the entire list of libraries with every change is less than fun.

R=glider@chromium.org
BUG=313751,343515
NOTRY=true

Review URL: https://codereview.chromium.org/161133002

Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: faeff9bd3d92e1e3eee6d026ce6ed4acd38eece6
1 file changed