tree 8122a1d9115f253137857c6c67bb772ee827949d
parent 6debdbad424ec172dbdef2f4757c4f0ed7e44755
author Colin Cross <ccross@android.com> 1470769245 -0700
committer Colin Cross <ccross@android.com> 1470776043 -0700

Convert defaults to a top down mutator

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