project-lakitu: change cos-package-info.json interface

Changed "version" to use BUILD_ID
Added "ebuild_version" which represents
<package-version>-r<revision-number>

BUG=b/182949109
TEST=presubmit
RELEASE_NOTE=None

Change-Id: Ie5cdc2d17e6959fda65a98efeda05bf7d60eac4c
Reviewed-on: https://cos-review.googlesource.com/c/cos/overlays/board-overlays/+/14671
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: Anil Altinay <aaltinay@google.com>
3 files changed