Add install_buildpacks property to cloud_controller clock and worker specs

* For the time being we are trying to keep all 3 job specs similar. This may
  change in the future.

[#69470438]

Signed-off-by: Kai Zhang <kaizhang@cn.ibm.com>
Rename IP to address to better reflect the values it can contain.

Signed-off-by: Phan Le <ple@pivotallabs.com>