I also experience the same problem on 4.19.2 (Windows) using HandheldAR template project, accepting the license does nothing. Editor log just says:
LogSlate: Window 'Android SDK License' being destroyed
I also experience the same problem on 4.19.2 (Windows) using HandheldAR template project, accepting the license does nothing. Editor log just says:
LogSlate: Window 'Android SDK License' being destroyed