This reverts commit 3fa0c21024.
It makes more sense to put this in jobs that know about the
intermediate registry.
Change-Id: I2f64b3a0a7cf66b76597c607b5bee06189c8a321
If the docker build jobs see that a buildset_registry is defined
(i.e., they are running in a job graph where an earlier job ran
a buildset registry) automatically use that registry.
Change-Id: Ied7730b793a02204921a2e76f8474fcce534ac77
These are generic docker image build and upload jobs which use
the recently added roles of the same names. With the new
pass-to-parent feature, child jobs can add their own credentials
to these jobs.
Change-Id: I669a9e6616a031837adab8c5c5806431fcca2150