Increase max metrics duration deviation to 2 hours

A lot of WTF logs reported were barely 1 second over the 1 hour
limit. AlarmManager has a maximum window of 1 hour so these cases
are possible and expected.
Increase the max metrics duration deviation to 2 hours to avoid
this log.

Bug: 297292877
Test: Manual test
Change-Id: I9a476e8061944c6499fe1b1d6e9ad1e19e6ce2b9