Summary:
Spotted a few typos while going through the source code
No tests are required
[INTERNAL] [MINOR] [Webview] - Fixed typos
Closes https://github.com/facebook/react-native/pull/19462
Differential Revision: D8176774
Pulled By: hramos
fbshipit-source-id: f1a9024b210e1a935dcdccd7e27daedb71d794bc