After MOS 9.0 release main repositories are now freezed, and the latest
merged code lands into -proposed. Thus to keep development and CI for
stable/mitaka branch packages from proposed should be added to the ISO.
Change-Id: I5f63ec2921e96e7efbb383eb4a92a40e2ab900bd
Closes-bug: #1619309
(cherry picked from commit 7c45cbe613)
After MOS 9.0 release main repositories are now freezed, and the latest
merged code lands into -proposed. Thus to keep development and CI for
stable/mitaka branch packages from proposed should be added to the ISO.
Closes-bug: #1619309
Change-Id: I8f7cd2fd221e3db5893f7a369696b13f29f83bd5