Google is to replace its own Java library implementations with Oracle’s open source alternative, openJDK, in the upcoming Android N. The change of direction, presumably sparked by recent reversals in Google’s five-year legal battle with Oracle, could loosen the search giant’s control of its operating system and even delay the appearance of the new release, argue some industry players. When Oracle filed suit in 2011, accusing Google of Java patents and copyright in Android and its own Java virtual machine, it was seen as an attempt to enhance the power of Oracle’s own Java platform in the mobile world, rather than letting Google entirely dominate smartphone software. Now, the database firm may get its chance to leverage Java in the…