f7154c6f4c
set the default sharpening settings for overlay pipes i.e, sharpening is enabled and sharpening strength to zero. CRs-fixed: 328472 (cherry picked from commit ba5235a66a4424746a6d785f83333b3543dc2dd1) Change-Id: I6e18321e96f74df99ca6c4b63d06bc831f9e81ae