It has been approved to localize JRE into Brazilian Portuguese. The l10n will be integrated in 6u20 b01.
Security fix http://monaco.sfbay.sun.com/detail.jsp?cr=6913898 brings some changes in Deployment.java in 6u20 b01
l10n CR 6923669 is the l10n of certain security fix in Deployment.java. All the changes are in logs, so the CR is with lower priority. It's not necessary to fix it within 6u19. I'll also merge this CR into current pt_BR localization work, to integrate them together.