Minor: Add Canvas::Transform.

Author: chinmaygarde

impeller/aiks/canvas.cc

@@ -53,6 +53,10 @@ void Canvas::Concat(const Matrix& xformation) {
   xformation_stack_.back().xformation = xformation * GetCurrentTransformation();
 }
 
+void Canvas::Transform(const Matrix& xformation) {
+  Concat(xformation);
+}
+
 const Matrix& Canvas::GetCurrentTransformation() const {
   return xformation_stack_.back().xformation;
 }

impeller/aiks/canvas.h

@@ -41,6 +41,8 @@ class Canvas {
 
   const Matrix& GetCurrentTransformation() const;
 
+  void Transform(const Matrix& xformation);
+
   void Concat(const Matrix& xformation);
 
   void Translate(const Vector3& offset);