Update OPENJDK_TAG to merged level jdk8u402-b03 #19

Job	Run time
Prerequisites	35s
Windows x64 (build release)	23m 36s
Linux additional (hs x64 build only)	39s
Windows x64 (build debug)	27s
Linux additional (hs x64 zero build only)	42s
Linux x64 (build release)	45s
Linux x86 (build release)	1m 17s
Linux additional (hs x86 minimal build only)	1m 11s
Linux x64 (build debug)	47s
Linux x86 (build debug)	1m 3s
macOS x64 (build release)	1m 15s
Linux additional (hs x86 client build only)	1m 23s
Linux additional (hs aarch64 build only)	4m 12s
macOS x64 (build debug)	1m 15s
Linux additional (hs arm build only)	3m 55s
Windows x86 (build release)	25s
Windows x86 (build debug)	26s
Linux additional (hs s390x build only)	4m 58s
Linux additional (hs ppc64le build only)	4m 38s
Windows x86	0s
Linux x64	0s
Linux x86	0s
macOS x64	0s
Windows x64	0s
Post-process artifacts	3s
	53m 32s

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