Add option for splitting generated Java parser into 3 files #1198

Job	Run time
cpp-lib-build (macos-15, clang, ON)	38s
cpp-lib-build (macos-15, clang, OFF)	52s
build (macos-15, tool)	58s
cpp-lib-build (macos-15, gcc, ON)	43s
build (macos-15, cpp)	12m 49s
cpp-lib-build (macos-15, gcc, OFF)	37s
build (macos-15, csharp)	4m 7s
build (macos-15, dart)	7m 0s
cpp-lib-build (ubuntu-20.04, clang, ON)	59s
cpp-lib-build (ubuntu-20.04, clang, OFF)	1m 2s
build (macos-15, go)	1m 55s
cpp-lib-build (ubuntu-20.04, gcc, ON)	33s
build (macos-15, java)	1m 1s
cpp-lib-build (ubuntu-20.04, gcc, OFF)	55s
build (macos-15, javascript)	1m 10s
cpp-lib-build (windows-2022, clang, ON)	4m 29s
build (macos-15, typescript)	9m 59s
cpp-lib-build (windows-2022, clang, OFF)	4m 48s
build (macos-15, php)	1m 49s
cpp-lib-build (windows-2022, cl)	3m 52s
build (macos-15, python3)	1m 45s
build (ubuntu-20.04, tool)	1m 0s
build (ubuntu-20.04, cpp)	15m 38s
build (ubuntu-20.04, csharp)	5m 31s
build (ubuntu-20.04, dart)	4m 4s
build (ubuntu-20.04, go)	2m 47s
build (ubuntu-20.04, java)	1m 5s
build (ubuntu-20.04, javascript)	1m 32s
build (ubuntu-20.04, typescript)	10m 34s
build (ubuntu-20.04, php)	1m 52s
build (ubuntu-20.04, python3)	1m 5s
build (windows-2022, tool)	1m 41s
build (windows-2022, cpp)	24m 16s
build (windows-2022, csharp)	7m 57s
build (windows-2022, dart)	4m 20s
build (windows-2022, go)	5m 19s
build (windows-2022, java)	2m 0s
build (windows-2022, javascript)	2m 57s
build (windows-2022, typescript)	19m 18s
build (windows-2022, php)	2m 16s
build (windows-2022, python3)	1m 53s
	2h 59m 6s

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