If devkeys are present, we don't need to specify a serialno. In this
case we should conditionally add serial no to our metadata
Test: create_brick_ota
Change-Id: I9c93aa0f9ec5752693a9ddde5b76be4c12d6fc3b
In the past, we have been generating brick OTA packages manually.
Automate this process.
Bug: 273561331
Test: create_brick_ota --product oriole brick.zip and apply the package
Change-Id: I7f4cf3cacaedd9d376b4cc07cbb388930bca643b