message: Don't init color buffer when we have no colors.
  This seems to be unnecessary but harmless on desktop platforms, while it
  causes a renderer assertion on Android.
diff: @@ -920,8 +920,6 @@ static void loadPrimitive(
  LODResources.VertexBuffers.ColorVertexBuffer;
  if (hasVertexColors) {
  ColorVertexBuffer.Init(StaticMeshBuildVertices);
  - } else if (indices.Num() > 0) {
  - ColorVertexBuffer.InitFromSingleColor(FColor::White, indices.Num());
  }
  LODResources.VertexBuffers.StaticMeshVertexBuffer.Init(
  