8622 Assert that all VM launches in the process have the same opinion on whether the VM should be leaked in the process. (cla: yes)

8623 Add an adjustment to the line width check in LineBreaker::addWordBreak (cla: yes)

8625 Add support for authentication codes via MDNS on iOS (cla: yes)

8626 Avoid leaking the VM in runtime_unittests and update failing tests. (cla: yes)

8627 Revert “Add a unit test for PhysicalShapeLayer” (cla: yes)

8628 Avoid leaking the VM in the shell unittests and assert VM state in existing tests. (cla: yes)

8633 Reland elevation test (cla: yes)

8634 Merge runtime lifecycle unittests into the base test target. (cla: yes)