24275 Roll Fuchsia Mac SDK from DVT8cA5T5… to 7YXm5Zozt… (cla: yes, waiting for tree to go green)

24276 Roll Fuchsia Linux SDK from mFKcPPKFb… to 5SyHEyz-o… (cla: yes, waiting for tree to go green)

24277 Roll Dart SDK from b74a0c8d6786 to f2f38b3d7e50 (1 revision) (cla: yes, waiting for tree to go green)

24278 Add support for arm64 simulator builds to create_ios_framework.py (cla: yes, waiting for tree to go green)