target-chromium-os-sdk: update automake version

BUG=b/307995090
TEST=presubmit
RELEASE_NOTE=None

Change-Id: Iffd70920d54c178ba0a1118dc517e10ea7c84edf
Reviewed-on: https://cos-review.googlesource.com/c/third_party/overlays/chromiumos-overlay/+/61682
Reviewed-by: He Gao <hegao@google.com>
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
2 files changed