Use libarttools to simplify odrefresh code.

We've created some helper classes in libarttools, initially for artd.
They can also be used in odrefresh.

Bug: 291903090
Test: atest art_standalone_odrefresh_tests
Change-Id: I497b451c764a89af9c511c0bcc45c6578e3c217c
Merged-In: I497b451c764a89af9c511c0bcc45c6578e3c217c
(cherry picked from commit b3c668a00f1227e665b37c85d3c30682bb946887)