11033 remove OS version (cla: yes)

11036 [fuchsia] Add required trace so files for fuchsia fars (cla: yes)

11037 Roll buildroot to pick up recent macOS changes (cla: yes)

11038 Make JIT work on iPhone armv7 (cla: yes)

11039 Roll src/third_party/dart cd16fba718..306f8e04bb (10 commits) (cla: yes)

11040 Hide verbose dart snapshot during run_test.py (cla: yes)

11043 Roll Dart back to e35e8833 (cla: yes)

11044 Roll src/third_party/dart 306f8e04bb..fecc4c8f2d (4 commits) (cla: yes)