dynamic data managers
Revert "GCP-7370"

This reverts commit 55a0e4583bada0f705b1c2e4365b31f2df93e035.
Merge branch 'master' into master_dynamic_datamanagers
GCP-7512
Merge remote-tracking branch 'remotes/origin/master_dynamic_datamanagers'
revert to old code
GCP-7512 Improve the performance of launching a program on program switch