Fix text rendering on Android

[ichan-mb]

This PR contains 2 fixes:

• TextView bugs when we set alignment to the center, on lost focus the text become disappear. the issues reported on #1399
• Fix regression introduced by this PR #1385. the app will crash on Android pre-Marshmallow when we set TextWrapping to Wrap

This PR contains:

• [ ] Changelog
• [ ] Documentation
• [ ] Tests

[mortend]

• [x] https://travis-ci.org/github/fuse-open/fuselibs/builds/764314512

[AndrewEQ]

I made a project for testing text: https://forums.fusetools.com/t/sample-project-for-learning-and-testing-text/8118

[mortend]

@AndrewEQ Nice! Perhaps it's worth opening a PR adding your project to this repo?

https://github.com/fuse-open/fuselibs/tree/master/Tests