sdm: Implement Display Config 1_11 Qsync API's.

--Do not set min fps if qsync is active.
--Qsync and active config changes can't be entertained in
  same commit. Reject any such request.

CRs-Fixed: 2529223
Change-Id: Ibd67780aab6d1f0f2e857b7d1fe110a216766baa
14 files changed