am 1131d89b: Add jvm args option.  I rather not hardcode some large value just for Volantis.  This can easily be passed in from sign-build.sh and should be a no-op for any other tools

* commit '1131d89b426d7da401885d37a50a908c9f87d2a1':
  Add jvm args option.  I rather not hardcode some large value just for Volantis.  This can easily be passed in from sign-build.sh and should be a no-op for any other tools