70513 [integration_test] Reland add a run method for proper reporting of test results (cla: yes, team)

70617 Add liblzma as an explicit dependancy on Linux (cla: yes, team, tool, waiting for tree to go green)

70631 Increase timeouts on XCUITest existence checks (cla: yes, team)

70643 [devicelab] update hot reload benchmark to be more representative (cla: yes, team)

70647 Allow any iOS app to be added to an existing host app (a: existing-apps, cla: yes, platform-ios, team, tool, waiting for tree to go green)

70653 skip roll_dev_integration_test (cla: yes, team)

70666 fix and re-enable roll_dev_integration test (cla: yes, team, waiting for tree to go green)