Automated commit: libchrome r1328677 uprev

Merge with upstream commit 7f94ce9fd25014ab6db332c939b8f135199a3b9c

BUG=None
TEST=sudo emerge libchrome

Change-Id: I78b63c7b5f52549f0d1bb58ae6072accaf488cc0
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/libchrome/+/5717006
Commit-Queue: Brett Brotherton <bbrotherton@google.com>
Tested-by: Brett Brotherton <bbrotherton@google.com>
Reviewed-by: Grace Cham <hscham@chromium.org>