
This attempts to reland https://github.com/flutter/flutter/pull/126848 This was reverted because it made some unexpected changes to our perf measurements. After landing https://github.com/flutter/flutter/pull/127900, we have much less noise in our benchmarks, so I'd like to reland this and see if there is still a significant measurement difference.
Windows start up test
This test verifies that Flutter draws a frame before the Windows app is shown.