Java: Add `FCALL_RO` command. #3828

Job	Run time
build-amazonlinux-latest	3m 2s
Build and test Node wrapper on Linux musl	3m 59s
build-macos-latest	3m 25s
lint-rust	1m 28s
test-ubuntu-latest (6.2.14)	7m 57s
test-ubuntu-latest (7.2.3)	7m 58s
	27m 49s

Provide feedback