ART: Adds a help message for parallel compilation

This patch adds a message for the "j" option of dex2oat in order to explicit
its usage.

Change-Id: I5a50e52b38f579f9956ad92a7daaf77bfa4c893f
Signed-off-by: Jean-Philippe Halimi <jean-philippe.halimi@intel.com>
1 file changed