Add words to Portuguese

>>> dictionaries/pt_BR_wordlist.combined.gz
Header :
  date : 1355802839 <=> 1357790917
  version : 29 <=> 30
Body :
Added: à 30
Added: é 30
Added: ò 30
Added: ô 30

>>> dictionaries/pt_PT_wordlist.combined.gz
Header :
  date : 1355802856 <=> 1357790930
  version : 29 <=> 30
Body :
Added: à 30
Added: é 30
Added: ò 30
Added: ô 30

>>> java/res/raw/main_pt_br.dict
Header :
  date : 1355802839 <=> 1357790917
  version : 29 <=> 30
Body :
Added: à 30
Added: é 30
Added: ò 30
Added: ô 30

Bug: 7966948
Change-Id: I71c0986cf616d67926d0a6a0e53099b04b0427d5