Parse two date formats in monkey log parser

Dates can be in two formats in the monkey log depending how they were
generated.  Now parse both:

Tuesday, 04/24/2012 05:05:50 PM
Tue Apr 24 17:05:50 PST 2012

Change-Id: Ie83806b4b8541b5fc61afd08686e0623bf6d75f9
2 files changed