fix a problem where all hwc layers would have the SKIP flags set

the problem was that LayerBase::setPerFrameData() was always setting
this flag. in fact there was no reason to do this at that point since
the layer is initialized to a default state in setGeometry().

Bug: 7111259
Change-Id: Ib37b0dd7391a6163070e9aca025512159c1705f9