Tie Call Notification to A Foreground Service (Branched off of ongoing call notification) #30
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Must be acompannied by the below change to call startForegroundService (over in cordova-plugin-firebasex):

This an experiment to see if this would influence how the notifications are shown, by allowing the system to show the notification by using this.startForeground(... notification params ...) in MyConnectionService.
Uses a foreground service of type "FOREGROUND_SERVICE_TYPE_PHONE_CALL"
This promotes the MyConnectionService to a foreground service which will launch the incoming call notification:
then transitions/updates the notification to an ongoing call notification
then returns the service to the background cancelling the notification: