Automated commit: libchrome r1306670 uprev

Merge with upstream commit 4c5c3411158b3850cd4eeca860b5a0a9ecb71c2b

BUG=None
TEST=sudo emerge libchrome

Change-Id: I875adeca0379a93e8c847fcb6bf4875a6944c465
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/libchrome/+/5575854
Tested-by: ChromeOS Prod (Robot) <chromeos-ci-prod@chromeos-bot.iam.gserviceaccount.com>
Bot-Commit: ChromeOS Prod (Robot) <chromeos-ci-prod@chromeos-bot.iam.gserviceaccount.com>
Commit-Queue: ChromeOS Prod (Robot) <chromeos-ci-prod@chromeos-bot.iam.gserviceaccount.com>