64060 Restore the original name of the velocity tracker microbenchmark (cla: yes, team, waiting for tree to go green)

64062 Revert “Prevent material switch from recreating its render object when it becomes disabled” (cla: yes, f: material design, framework, waiting for tree to go green)

64065 [flutter_tools] add more info to coverage script (cla: yes, tool, waiting for tree to go green)

64067 [versions] update gallery, roll versions (cla: yes, team, waiting for tree to go green)

64071 [null-safety] enable null assertions for framework tests (cla: yes, framework, team, waiting for tree to go green)

64076 remove ununsed deprecated field (cla: yes, framework, waiting for tree to go green)

64077 Mark tests as nonflaky (cla: yes, team)