PiperOrigin-RevId: 209647293 Change-Id: I980fca1257ea3fcce796388a049c353b0303a8a5
It prints sandbox stacks to the log to help debug stuckness. I expect that many more options will be added in the future. PiperOrigin-RevId: 201405931 Change-Id: I87e560800cd5a5a7b210dc25a5661363c8c3a16e