74424 Handle service disappeared RPCError when VM service connection disappears (cla: yes, tool)

74425 Desktop keys: up/down + line modifier (cla: yes, framework)

74426 Roll Plugins from faa26ec364cd to 07cf89a08b88 (5 revisions) (cla: yes, waiting for tree to go green)

74427 Roll Engine from 30486859d161 to 90641fa92385 (4 revisions) (cla: yes, waiting for tree to go green)

74428 Add details to the iOS part integration_test (cla: yes, team)

74434 Manually close tree while devicelab staging is failing (cla: yes, team)