Migrate RCTAxialGradientView to JS codegen

Summary:
This diff migrates `RCTAxialGradientView` to use generated `RCTAxialGradientViewManagerDelegate` for setting its props. The following base properties have been added to `BaseViewManager`:

```
  protected void setBorderRadius(T view, float borderRadius) {}

  protected void setBorderBottomLeftRadius(T view, float borderRadius) {}

  protected void setBorderBottomRightRadius(T view, float borderRadius) {}

  protected void setBorderTopLeftRadius(T view, float borderRadius) {}

  protected void setBorderTopRightRadius(T view, float borderRadius) {}
```

Reviewed By: JoshuaGross, mdvacca

Differential Revision: D16784173

fbshipit-source-id: f3971985efee2b6e0a5fb248b89c4809305e670c