36297 Add multi-line flag to semantics (a: accessibility, cla: yes, framework, ☸ platform-web)

36302 Issues/30526 gc (cla: yes, framework)

36303 Add sync star benchmark cases (a: accessibility, cla: yes, team)

36317 Disable flaky tests on Windows (cla: yes, f: material design, framework)

36318 Include flutter_runner in precache artifacts. (cla: yes, tool)

36319 Revert “Fix semantics for floating pinned sliver app bar” (cla: yes, framework)

36327 Fix invocations of ideviceinstaller not passing DYLD_LIBRARY_PATH (cla: yes, tool)