GVoice Callback

Nov 30, 2017

v0.3.0
1. Register as a dialer and allow tablets (without native telephony) to install the app
2. Auto answer support for Android 8.0 Oreo
3. Bug fixes

v0.2.7
1. Allow selection of callback numbers in confirmation dialog
2. When account needs refreshing, the "Cancel" button changes to "Refresh" and starts the Login activity

v0.2.5
1. Auto close after timeout
2. Add button to cancel callback

v0.2.3
Merge callback into outgoing call in phone log