base

Test the correct return code from call to cryptfs.

This was broken in commit dd519fac9b79f36a27909149a90fce4321ed1c20
(certainly by mistake), in which Integer.parseInt(tokens[1]) was
errornously replaced with event.getCode().

Change-Id: Ic5af5a2ec5f321da21a4a5db25f6908462f6cae8