Merge changes from topic "presubmit-am-9bf045867a3b4fa6bf8fd8e1397b852e"
* changes:
[automerge] [SF] Add a new method for latch unsignaled transactions 2p: 9eff2497 2p: a92d86cd
[automerge] [SF] Add a new method for latch unsignaled transactions 2p: 9eff2497
[SF] Add a new method for latch unsignaled transactions