- separate ResearchLog from ResearchLogger
- fix abort menu to explicitly indicate re-enabling of logging
- auto flush entries every 5s
- conform to new suggestedWords class
multi-project change with I9fe1f8fe59d5891daa4ca84af157f36fb1bb17dc
Bug: 6188932
Change-Id: I7e99390f934481c6ed9cea2b259944583edda5bb