49557 Fix a TextTheme.body1 deprecation warning typo (cla: yes, f: material design, framework, waiting for tree to go green)

49559 Move stocks example app into dev/benchmarks/test_apps (cla: yes, d: examples, team, waiting for tree to go green)

49561 [flutter_tool] Hide unsafe std{out,err} operations (cla: yes, tool, waiting for tree to go green)

49563 [flutter_tools] remove dwarf stripping now that linked issue is fixed (cla: yes, tool, waiting for tree to go green)

49565 Roll engine ac1ba3033c38..c4229bfbbae4 (3 commits) (autoroller: commit, cla: yes)

49569 add more devices into whitelist (cla: yes, tool, waiting for tree to go green)