8000992: Update new build-infra makefiles Summary: Build-infra project integration. Multiple authors on this work: erikj and ihse primarily, also changes from ohair, tbell, and dholmes. Special credit to ohstrom for his smartjavac work. Reviewed-by: erikj, ihse, dholmes, tbell

^build/+
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^dist/+
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^drop/+
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^drop_included/+
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^webrev/+
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/nbproject/private/+
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^.hgtip+
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