13971 [fuchsia] Ensure we do not initialize nan RoundedRectangles (cla: yes)

13975 Refactor to passing functions by const ref (CQ+1, cla: yes)

13980 Updated googletest to fix fuchsia build. (CQ+1, cla: yes)

13981 [web] use Element.nodes instead of Element.children in text layout (cla: yes, platform-web)

13989 [fuchsia] Capture SkRRect in scene_update_context by value (cla: yes)

13990 Setup a Metal test surface and add a new unit-test target that tests the testing utilities. (cla: yes)

PRs closed in this release of flutter/plugins