* 7abd89c90 [web] roll CanvasKit 0.37.0 (flutter/engine#36011)

* dae737f46 Populate dart_library_sources_kernel in the embedder library in JIT mode (flutter/engine#36059)

* 0b6dcd86b [Impeller] Premultiply gradient alpha after the gradient LUT is generated (flutter/engine#36064)

[flutter_tools] filter "Resolving dependencies..." from dart pub get output to fix test flakiness (#111312)

Started handling messages from background isolates.

* Create enum for scheduler service extension names so they can be accessed from tooling

* fix two more strings