Java API：Visibilityを修正 #2015

Job	Run time
actionlint	17s
build-and-test-python-api (windows-latest)	11m 31s
build-and-test-python-api (macos-latest)	6m 40s
build-and-test-python-api (ubuntu-latest)	4m 38s
build-unix-cpp-example (macos-latest, osx-x64-cpu-cpp-shared)	4m 20s
build-unix-cpp-example (ubuntu-latest, linux-x64-cpu-cpp-shared)	3m 6s
build-and-test-java-api (windows-latest)	9m 8s
build-and-test-java-api (macos-latest)	7m 17s
build-and-test-java-api (ubuntu-latest)	4m 47s
build-windows-cpp-example	11m 16s
c-header	1m 21s
rust-integration-test-strategy-matrix	2s
rust-lint	5m 16s
rust-unit-test	5m 49s
shellcheck	21s
validate-cargo-lock	51s
rust-integration-test (windows-2019, directml)	5m 37s
rust-integration-test (macos-11)	2m 27s
rust-integration-test (ubuntu-20.04)	1m 58s
	1h 26m 42s

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