[Flight] Track Owner on AsyncInfo and IOInfo

[sebmarkbage]

Stacked on #33394.

This lets us create async stack traces to the owner that was in context when the I/O was started or awaited.

This owner might not be the immediate closest parent where the I/O was awaited.

[react-sizebot]

Comparing: d8919a0a6854715a4a77db24ed7a94a124487d86...c2d27d522db14583fcea7a7927e105af8aa59620

Critical size changes

Includes critical production bundles, as well as any change greater than 2%:

Name	+/-	Base	Current	+/- gzip	Base gzip	Current gzip
oss-stable/react-dom/cjs/react-dom.production.js	=	6.68 kB	6.68 kB	=	1.83 kB	1.83 kB
oss-stable/react-dom/cjs/react-dom-client.production.js	=	529.82 kB	529.82 kB	=	93.51 kB	93.51 kB
oss-experimental/react-dom/cjs/react-dom.production.js	=	6.69 kB	6.69 kB	=	1.83 kB	1.83 kB
oss-experimental/react-dom/cjs/react-dom-client.production.js	=	650.91 kB	650.91 kB	=	114.63 kB	114.63 kB
facebook-www/ReactDOM-prod.classic.js	=	675.86 kB	675.86 kB	=	118.91 kB	118.91 kB
facebook-www/ReactDOM-prod.modern.js	=	666.14 kB	666.14 kB	=	117.30 kB	117.30 kB

Significant size changes

Includes any change greater than 0.2%:

Expand to show

Name	+/-	Base	Current	+/- gzip	Base gzip	Current gzip
oss-experimental/react-server-dom-esm/cjs/react-server-dom-esm-server.node.development.js	+0.36%	164.27 kB	164.87 kB	+0.42%	30.66 kB	30.79 kB
oss-experimental/react-server-dom-parcel/cjs/react-server-dom-parcel-server.node.development.js	+0.36%	164.30 kB	164.90 kB	+0.36%	30.66 kB	30.77 kB
oss-experimental/react-server-dom-webpack/cjs/react-server-dom-webpack-server.node.unbundled.development.js	+0.35%	170.97 kB	171.57 kB	+0.34%	31.75 kB	31.86 kB
oss-experimental/react-server-dom-turbopack/cjs/react-server-dom-turbopack-server.node.development.js	+0.35%	172.11 kB	172.70 kB	+0.34%	32.04 kB	32.15 kB
oss-experimental/react-server-dom-webpack/cjs/react-server-dom-webpack-server.node.development.js	+0.35%	172.17 kB	172.77 kB	+0.34%	32.05 kB	32.16 kB
oss-stable-semver/react-server/cjs/react-server-flight.development.js	+0.21%	107.26 kB	107.49 kB	+0.22%	19.94 kB	19.98 kB
oss-stable/react-server/cjs/react-server-flight.development.js	+0.21%	107.26 kB	107.49 kB	+0.22%	19.94 kB	19.98 kB

Generated by :no_entry_sign: dangerJS against c2d27d522db14583fcea7a7927e105af8aa59620