Array.java: fixed annotations on getSequence now that it's refined on Array.ceylon
Array.java: fixed annotations on getSequence now that it's refined on Array.ceylon

jvasileff/ceylon.language,unratito/ceylon.language,unratito/ceylon.language,ceylon/ceylon.language,lucaswerkmeister/ceylon.language,ceylon/ceylon.language,lucaswerkmeister/ceylon.language,jvasileff/ceylon.language