Support escaping special characters in string resources files

[fbarthelery]

strings.xml files on Android support escaping special characters. To facilitate migration to multiplatform this should be supported too.

[terrakok]

#4220

[fbarthelery]

This was asked in the PR but wasn't answered : what about quotes ?
It was \' that makes me notice this was missing first.

[terrakok]

For the compose resources you don't have to mirror quotes. So, we don't want to copy all android restrictions. Yes, you are supposed to slightly modify your xml

[fbarthelery]

Thanks for the clarification 👍