Add: Java APIを作成 #1809

Job	Run time
shellcheck	21s
validate-cargo-lock	27s
rust-lint	4m 18s
actionlint	22s
c-header	1m 19s
rust-integration-test-strategy-matrix	1s
rust-unit-test	5m 2s
build-and-test-python-api (windows-latest)	13m 25s
build-and-test-python-api (macos-latest)	11m 32s
build-and-test-python-api (ubuntu-latest)	4m 59s
build-unix-cpp-example (macos-latest, osx-x64-cpu-cpp-shared)	4m 13s
build-unix-cpp-example (ubuntu-latest, linux-x64-cpu-cpp-shared)	3m 17s
build-windows-cpp-example	9m 39s
rust-integration-test (windows-2019, directml)	4m 2s
rust-integration-test (macos-11)	2m 35s
rust-integration-test (ubuntu-20.04)	2m 0s
	1h 7m 32s

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