87792 Change hitTest signatures to be non-nullable (framework, f: material design, cla: yes, f: cupertino, waiting for tree to go green)

87801 Fix precision error in NestedScrollView (framework, f: scrolling, cla: yes, waiting for tree to go green)

87814 [ci.yaml] Fix firebase recipe, xcode version, and web_benchmarks (cla: yes, waiting for tree to go green)

87824 Fix null check for content dimensions in page getter (framework, cla: yes, waiting for tree to go green)

87829 Roll Engine from c0e59bc7b65e to 4fef55db1031 (12 revisions) (cla: yes, waiting for tree to go green)