This is related to 4463546 RFE: user interface localization for zh_HK

>>>>The Makefile changes to build the zh_HK code needs to change to NOT
>>>>write into the workspace source code. Instead, the new bundle should
>>>>be written into the ${ALT_OUTPUTDIR}/tmp/plugin dir or somewhere in
>>>>ALT_OUTPUTDIR. One day, we may provide the source on CD and with the
>>>>current Makefile, it would fail to build. Let me know if you need
>>>>help on this.
>>>>
>>>>- Jim

j2se's intermediate files will be put under $(OUTPUTDIR)/tmp/l10n/j2se
deploy's intermediate files will be put under $(OUTPUTDIR)/tmp/l10n/deploy