25758 Ensure stdout and stderr from failed test runs are reported from run_tests.py. (cla: yes, waiting for tree to go green)

25759 Roll Skia from 5d8a09ebff9c to 08ea02560710 (1 revision) (cla: yes, waiting for tree to go green)

25760 Use “blur_sigma” instead of “blur_radius” in Shadow. (cla: yes, waiting for tree to go green)

25761 Roll Skia from 08ea02560710 to 4df5672a5b7f (1 revision) (cla: yes, waiting for tree to go green)

25763 Roll Dart SDK from 1d1bde67c094 to cb00fcef63bd (1 revision) (cla: yes, waiting for tree to go green)