* Bugfix: Suspended update must finish to unhide
When we commit a fallback, we cannot unhide the content without including
the level that originally suspended. That's because the work at level
outside the boundary (i.e. everything that wasn't hidden during that
render) already committed.
* Test unblocking with a high-pri update
* Track the earliest event time in this render
Rebase
* Track the time of the fallback being shown as an event time
When we switch back from fallback to content, we made progress and we track
the time from when we showed the fallback in the first place as the
last time we made progress.
* Don't retry if synchronous
* Only suspend when we switch to fallback mode
This ensures that we don't resuspend unnecessarily if we're just retrying
the same exact boundary again. We can still unnecessarily suspend
for nested boundaries.
* Rename timedOutAt to fallbackExpirationTime
* Account for suspense in devtools suspense test
* Allow DevTools to toggle Suspense state
* Change API to overrideSuspense
This lets detect support for overriding Suspense from DevTools.
* Add ConcurrentMode test
* Newlines
* Remove unnecessary change
* Naming changes
* ReactDebugHooks identifies State and Reducer hooks as editable
* Inject overrideHookState() method to DevTools to support editing in DEV builds
* Added an integration test for React DevTools, react-debug-tools, and overrideHookState