Fix Android React Native environment shims which crash on normalizing Korean test (#1298).
Fix Android React Native environment shims which crash on normalizing Korean test (#1298).

ethers-io/ethers.js,ethers-io/ethers.js,ethers-io/ethers.js,ethers-io/ethers.js,ethers-io/ethers.js,ethers-io/ethers.js,ethers-io/ethers.js