Introduce export feature to TensorRT JSON format #22058

Job	Run time
cancel	4s
Check if image exists in registry	5s
pyflakes	6m 12s
linux (ubuntu-20.04, debug)	2h 37m 23s
licensing	3m 22s
linux (ubuntu-20.04, release)	1h 46m 45s
linux (ubuntu-20.04, codecov)	1h 38m 10s
linux-fpga (ubuntu-20.04, debug)	2h 36m 11s
misspell	16s
Build image	0s
Build SLES image	0s
sles	4m 37s
format	10m 30s
tidy	1h 27m 34s
cppcheck	1h 0m 19s
	11h 31m 28s

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