(android)Full screen support for android html video

[jmseb3]

Platforms affected

Android

Motivation and Context

Support FullScreen For Android Video in html

Description

Android WebView is Not Support FullScreen Video in html So we need some extra work on the "chromeClient".

Testing

Tested the code in one of our own apps.

Checklist

• [x] I've run the tests to see all new and existing tests pass
• [ ] I added automated test coverage as appropriate for this change
• [x] Commit is prefixed with (platform) if this change only applies to one platform (e.g. (android))
• [ ] If this Pull Request resolves an issue, I linked to the issue in the text above (and used the correct keyword to close issues using keywords)
• [x] I've updated the documentation if necessary