Instrumented libraries: fix flaky error in libpci3 build.

BUG=452710
TBR=glider@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/894723002

Cr-Original-Commit-Position: refs/heads/master@{#314149}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 32f9104d8bac086578476baa72024d5f3eb3f310
1 file changed