13744 Create a new picture recorder even when the embedder supplied render target is recycled. (cla: yes)

13747 Move TextRange from the framework to dart:ui. (cla: yes)

13748 [web] Support gif/webp animations, Speed up image drawing in BitmapCanvas.  (cla: yes)

13753 Revert “Guarding EAGLContext used by Flutter” (cla: yes)

13755 Reland “Guarding EAGLContext used by Flutter #13314” (cla: yes)