For German : handle "ae", "oe" and "ue" to be alternate forms for
umlaut-bearing versions of "a", "o" and "u".
Issue: 3275926
Change-Id: I056c707cdacc464ceab63be56c016c7f8439196c
When entering a word without accents the user expects the system to
add accents automatically if there is no other matching word. This
patch ensures the accented version is promoted accordingly and
autocorrection really takes place.
Issue: 3400015
Change-Id: I8cd3db5bf131ec6844b26abecc1ecbd1d6269df4