Frameworks: Add several Slim helper classes and constants back

Change-Id: Ifeaca783c7b455f6846e20dba1aebf08c9226edd
Frameworks: smart pulldown we do not support anymore

No QS nothing smart needed anymore

Change-Id: I5187fd00cf45f28d5749f26acfaefbae45f82be6
Merge remote-tracking branch 'slim/lp5.0' into lp50s-test