tree 2de9bcb88f6f4bea0153bceaf9a86c838dd91991
parent 7f61e96db7c90c1f4418359672aa4656aebee500
author Adam Lesinski <adamlesinski@google.com> 1409788199 -0700
committer Adam Lesinski <adamlesinski@google.com> 1409958567 +0000

Returns UsageEvents from previous days

- Avoid writing to disk when querying UsageStats.
- Use new UnixCalendar to avoid issues with Locale and TimeZone.

Bug: 16951313

Change-Id: I2473b8ef8dc1e2f6be22d4c689b96e346bdcafd5