common shape: support scale/rotate transform

common shape: support scale/rotate transform

rotate(), scale() won't be retained.
When you call reset() for the shape, these values will be reset as well.

These are working in fire & forget method,
it actually modify the path data for avoiding compuatation every frames.

Thus user needs to keep the last values to understand the final accumulated values.

Change-Id: I41f260271cdefc977eea01a778d49632440c777f