Googletest export
Googletest export

Remove ZX_WAIT_ASYNC_ONCE flag

It is deprecated and will soon be removed in fuchsia source.
It's currently defined as 0 and references should be changed to 0.

PiperOrigin-RevId: 346787585

google/googletest,gianricardo/googletest,google/googletest,google/googletest,gianricardo/googletest,gianricardo/googletest,google/googletest