Statsd update for native puller api feedback

Update statsd to take in times in milliseconds instead of nanoseconds.

Also make appropriate updates for graphics stats, odpm, subsystem sleep
state, and LibStatsPullTests

Test: atest LibStatsPullTests
Test: bit statsd_test:*
Bug: 150788562
Change-Id: I593552d6c50bb4dcb89ca9cc1c737781653e7cc5