Bug Fix: Start using expect_angular_legacy_material_checkbox #10725

Job	Run time
lint-frontend	1m 39s
lint-misc	12s
build-data-server-pip (native, ubuntu-22.04, 1.65.0)	2m 12s
build-data-server-pip (native, macos-12, 1.65.0)	3m 27s
build-data-server-pip (universal, ubuntu-22.04, 1.65.0)	12s
lint-python-flake8 (3.9)	19s
lint-python-flake8 (3.10)	19s
lint-python-flake8 (3.11)	25s
lint-python-yaml-docs	44s
lint-rust (1.65.0, 0.16.1)	40s
build (tf, 3.9)	3m 52s
build (notf, 3.9)	3m 35s
	17m 36s

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