Move the initializer into the constructor for instance members that r… #11682

Job	Run time
lint-misc	11s
lint-frontend	1m 17s
build-data-server-pip (native, ubuntu-20.04, 1.65.0)	1m 21s
lint-python-flake8 (3.9)	12s
build-data-server-pip (native, macos-12, 1.65.0)	3m 40s
lint-python-flake8 (3.10)	12s
lint-python-yaml-docs	21s
build-data-server-pip (universal, ubuntu-20.04, 1.65.0)	10s
lint-rust (1.65.0, 0.16.1)	37s
lint-python-flake8 (3.11)	16s
build (tf, 3.9)	22m 57s
build (notf, 3.9)	19m 2s
	50m 16s

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