8e9249663f
This just adds a bit of information to the AsyncTabSwitcher's logging and cleans up the display to make it quicker to find what changed, especially with large numbers of tabs. The bit of new information that I'm particularly interested in is what event triggered a particular update - so now every time we call postActions, we include the name of the event. Differential Revision: https://phabricator.services.mozilla.com/D44710