Automated commit: libchrome r1307197 uprev

Merge with upstream commit 1347cb89b87ea43de8127c82d346747b54b3bb59

BUG=None
TEST=sudo emerge libchrome

Change-Id: I22933113de227122f73bd0a74ed9f57685cfe1a2
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/libchrome/+/5577401
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>
Tested-by: ChromeOS Prod (Robot) <chromeos-ci-prod@chromeos-bot.iam.gserviceaccount.com>