Specify android notification priority based on its visual action
Summary: We used to set high priority for every Android notification. Now we believe that this was violation of the OS rules and high priority should be reserved only for visual notifs. Silent updates such as badge update and rescinds should be normal priority.
Test Plan:
- Flow
- Check that notification fuinctionality is unchanged.
Reviewers: tomek, bartek, kamil, ashoat
Reviewed By: tomek
Subscribers: ashoat
Differential Revision: https://phab.comm.dev/D11858