atomisp : Add support from sensor driver to skip frames.

atomisp : Add support from sensor driver to skip frames.

BZ:8545

This patch will support number of frames to skip at stream start
from sensor driver.

Change-Id: Ied0b9b13ec9d63e28b420669af164c4f39bf5dee
Signed-off-by: Bian,Guowei <guowei.bian@intel.com>
Reviewed-on: http://android.intel.com:8080/30252
Reviewed-by: Wang, Wen W <wen.w.wang@intel.com>
Reviewed-by: Cohen, David A <david.a.cohen@intel.com>
Reviewed-by: Toivonen, Tuukka <tuukka.toivonen@intel.com>
Reviewed-by: Gross, Mark <mark.gross@intel.com>
Tested-by: Lampila, KalleX <kallex.lampila@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>