tree 5ce68f274b470c6180f7dd8fc8b536627360d2b9
parent 475950d35e4cafa7b7b851267e18a0d280f606d2
author Joshua Brown <keyboardr@google.com> 1531531826 -0700
committer Joshua Brown <keyboardr@google.com> 1532471350 -0700

Create a ViewModel to replace PlaybackModel. This new ViewModel uses LiveDatas to track state.

Test: Robolectric tests for ViewModel and LiveData classes used.
Change-Id: I9cca468aee134dbd5bd459dee34003febcbcea4d