restorecon /dev/console at the second stage boot

It could be the case that /dev/console is created at the first stage
boot. ueventd doesn't have a permission to relabel from tmpfs to
console_device, so we should try restorecon /dev/console, together with
/dev.

Bug: 193118220
Test: atest MicrodroidHostTestCases
Change-Id: Ic538bc9214d3996fe7b37fa2224c1f0c6eb373d1