Instrumented libraries: fix install-build-deps.sh

Update a path following a recent change in directory structure.

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

Review URL: https://codereview.chromium.org/1018043007

Cr-Original-Commit-Position: refs/heads/master@{#321802}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 0b7dd63fafe2fdb62ccfe181e30cc5356de4bf6b
1 file changed