Changed paths:
M dashboard/app/api.go
M dashboard/app/coverage.go
M dashboard/app/cron.yaml
M dashboard/app/main.go
M pkg/coveragedb/coveragedb.go
M pkg/coveragedb/coveragedb_mock_test.go
M pkg/covermerger/covermerger_test.go
Log Message:
-----------
pkg/coveragedb: update file to subsystem info periodically
#6070 explains the problem of data propagation.
1. Add weekly /cron/update_coverdb_subsystems.
2. Stop updating subsystems from coverage receiver API.