public GenericDraweeHierarchyBuilder setOverlays(@Nullable List<Drawable> overlays) {
    mOverlays = overlays;
    return this;
  }
Sets the overlays.

<p>Overlays are drawn in list order after the backgrounds and the rest of the hierarchy. The
last overlay will be drawn at the top.

@param overlays overlay drawables
@return modified instance of this builder
drawee/src/main/java/com/facebook/drawee/generic/GenericDraweeHierarchyBuilder.java