Configuration:
- PDF.js version: 2.0.550

Steps to reproduce the problem:
1. Render document in SVG mode `renderMode="svg"`

What is the expected behavior? (add screenshot)
Rendering annotations same way as they rendered on canvas

What went wrong? (add screenshot)
```
Warning: Unimplemented operator beginAnnotations
Warning: Unimplemented operator endAnnotations
```
this.pendingEOFill = true;
      this.fill();
    }
    fillStroke() {
      this.fill(false);
      this.stroke(false);
      this.consumePath();
    }
    eoFillStroke() {