olly f88149385a Avoid rollover calculating sample offsets
I considered using Util.scaleLargeTimestamp for this, but
given sample offsets are relative and should always be
small (<<1s), it really shouldn't be necessary.

Issue: #3139

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=164443795
2017-08-07 13:42:57 +01:00
..
2017-08-04 12:54:14 +01:00
2017-08-04 12:54:14 +01:00