sdm: mark all layers as skip, when client target handle is NULL

- real pipe is assigned for a client layer which has a NULL
  buffer handle and respective virtual pipe is assigned to
  another layer.
- during atomic commit, real pipe is not programmed due to
  NULL handle but virtual pipe is programmed, which is leading
  to atomic ioctl failure.
- hence, mark all layers as skip, when client target handle
  is NULL.

Change-Id: I4a6e2d0ce58063564b12863b599dabc6d810c477
CRs-Fixed: 2358631
1 file changed