Merge pull request transistorsoft#108 from transistorsoft/headless-ev…

…entbus

[RELEASE] 1.2.1

Merge branch 'android-q'

Merge branch 'android-ui-thread'

Merge branch 'ui-thread-issue'

Merge branch 'odometer'

Merge branch 'android-location-resolution'

Merge branch 'android-geofencing'

Merge branch 'firebase-plugin'

Merge branch 'master' of https://github.com/transistorsoft/flutter_ba…

…ckground_geolocation

Merge branch 'rollback-android-permissions'