Create-user logtag and re-order

1. Add a Slog.i line for user creation.

2. Move the recent logUserCreateJourneyFinish function to
lower in the file so it doesn't break the readability flow of
the createUser functions.

Test: N/A
Change-Id: Ie7d1caaf38c83d18136b23e070cab0a192b035ac
1 file changed