65802 [flutter_tools] make local engine integration testing easier (cla: yes, tool, waiting for tree to go green)

65806 [flutter_tools] port deprecated settings test to flutter integration shard (cla: yes, team, tool, waiting for tree to go green)

65809 Roll Engine from 257eba9c19b5 to 7e962ba91133 (12 revisions) (cla: yes, waiting for tree to go green)

65814 [flutter_tools] use flutter tool handler for dwds resources and precache tool pub dependencies (cla: yes, tool)

65817 Clarify the docs on what scrollUntilVisible does (a: tests, cla: yes, d: api docs, documentation, framework)