Update compress signature to use same heuristic than Dx This saves about 739ko when compiling GMSCore v9 deploy jar with D8. Change-Id: I92fd92ead4da6eb054bdab939f5e7689e720599d
The R8 repo contains two tools.
D8 is a dexer that converts java byte code to dex code.
R8 is a java program shrinking and minification tool.