tree 97ddb7f847adc2a0cf2737e8cbfa8610e1d5ef9a
parent 654af7615bc0ab6941e28131efccf8d23840c253
author Will Brockman <brockman@google.com> 1574781007 -0500
committer Will Brockman <brockman@google.com> 1576078699 -0500

Add UiEvent logging to volume dialog Events.

Minor refactoring of Events.writeEvent() for testability.

Also added unit test for Events class, covering all 3 types of logging
it does.

Test: atest SystemUITests
Test: mp droid + statsd_testdrive verify UiEvent logging.
Change-Id: Id1cd0e0f5aa9082dab5d85144ea62ed77a36eacd