34624 Break down flutter doctor validations and results

34785 Tweak the display name of emulators

34794 Add emulatorID field to devices in daemon

35084 Move findTargetDevices to DeviceManager

35092 Add FlutterProjectFactory so that it can be overridden internally.

35186 Make tool coverage collection resilient to sentinel coverage data

35188 ensure test isolate is paused before collecting coverage

35192 don’t block any presubmit on coverage

35231 Fix coverage collection

35367 Add type to StreamChannel in generated test code.

35392 Add timer checking and Fake http client to testbed

35406 Refactor signal and command line handler from resident runner