LatinIME: fix crash on voicetyping

on voicetyping getSuggestedWordsOrOlderSuggestionsAsync is called
as well. Due that mInputUpdater can be null on first call keyboard crashes.
Just check against null to solve it

Change-Id: Ia018fe1b774b0a67905b3e7fac941f9de7e4e8e3
LatinIME: Bring back ALL the keys for QWERTZ

* QWERTZ keyboards were using rowkeys_qwerty2.xml as 2nd row.
  Add rowkeys_qwertz2.xml and enable AdditionalMoreKeys

Change-Id: Ibd4a578a2cd89e834cbf8cd7fb677c0dcba55547
Added smiles without noise to AOSP keyboard

Added some smiles on top of default: :) ;) :( :D :P ^^ -_-
They are very popular!

Change-Id: I5c78992ce3fa8b95052ca2136796bb7a9c4c510f