Blueprint is going to abdicate responsibility for determining the name
of a module. Add a name property, and a method to retreive the name.
Test: build.ninja identical
Change-Id: I09c6f5283cd6e28ad4b04c24c5ab8b00f71ae2ab
BottomUpMutators are going to lose their ctx.Visit* functions in order
to allow parallelizing them, move defaults to a TopDownMutator using
WalkDeps to only visit defaults modules.
Test: no changes to out/soong/build.ninja
Change-Id: I54ba65a7e2ae9503f4d217f63aa9178a7c5341f0
Colin Cross