65578 Add mac builders to try configurations. (cla: yes, team, waiting for tree to go green)

65579 Move the registration of the restoration channel to binding initialization (cla: yes, framework, waiting for tree to go green)

65584 List tile docs (cla: yes, f: material design, framework, waiting for tree to go green)

65602 Reland “perf test for measuring scroll smoothness” (a: tests, cla: yes, framework, team, waiting for tree to go green)

65607 Roll Engine from e831433a20ca to bdaac368f85f (13 revisions) (cla: yes, waiting for tree to go green)

65618 Roll Engine from bdaac368f85f to a0bd862cc0d4 (2 revisions) (cla: yes, waiting for tree to go green)