22572 [macOS] Move the glContext generation to FlutterOpenGLRenderer (affects: desktop, cla: yes, needs tests, platform-macos, waiting for tree to go green)

22656 Create FlutterFrameBufferProvider class (affects: desktop, cla: yes, needs tests, platform-macos, waiting for tree to go green)

22663 Create wrapper for IOSurface (affects: desktop, cla: yes, needs tests, platform-macos)

platform-linux - 16 pull request(s)

20836 Track lock key down state instead of lock state (affects: desktop, cla: yes, needs tests, platform-linux)

21388 hasStrings Linux (affects: desktop, cla: yes, needs tests, platform-linux)