ThemeManager : Remove uneeded state changes

The saving/restoring in the incorrect state were causing :
java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState

Change-Id: Icfc03e50e6a07ff672194b9e621c5e05797d9ef1
ThemeChooser : Allow users to pass aapt check

Allow users to apply themes not packaged with the right aapt flags

Change-Id: Iaa2ef1578bf5b0032fb9c94aa3bcd066b27039de
ThemeChooser: change error message

because now there is a 'Apply anyway' button

ps1: initial changes to English

ps2: resources and \u2026

ps3: fix all other languages

ps4/5: fix for NL

ps6: fix for DA

ps7: fix for HU

Change-Id: Iea073397a1b887b1b249946f90e1f37cb0a635c6