27597 [ci.yaml] JSON encode subshards key (cla: yes, waiting for tree to go green)

27598 analyze using the latest sdk from head (cla: yes, waiting for tree to go green, platform-web)

27601 Roll Skia from 88dd356bf1af to 3deb8458fbca (8 revisions) (cla: yes, waiting for tree to go green)

27602 Roll Dart SDK from d65b397fe868 to e1414001c93b (1 revision) (cla: yes, waiting for tree to go green)

27604 Fix android zip bundles (platform-android, cla: yes, waiting for tree to go green)