Googletest export
Googletest export

[Fuchsia] Make the child process stderr redirection use a socket.

This changes the stderr redirection mechanism for the child process in Fuchsia death tests to use a Zircon socket rather than fd redirection. This should improve performance and reliability of the redirection process.
This also includes some minor style cleanups.

PiperOrigin-RevId: 218903196

gianricardo/googletest,jlanecox/googletest,xnagireddy/googletest,google/googletest,empiredan/googletest,empiredan/googletest,xnagireddy/googletest,gianricardo/googletest,xnagireddy/googletest,google/googletest,xnagireddy/googletest,google/googletest,jlanecox/googletest,antidotcb/googletest,gianricardo/googletest,google/googletest,jlanecox/googletest,empiredan/googletest,antidotcb/googletest,antidotcb/googletest,antidotcb/googletest,jlanecox/googletest