Don't add gc ourselves for Android.mk files, it's in sdk.use anyway
Don't add gc ourselves for Android.mk files, it's in sdk.use anyway

jonathanudd/rock,marcusnaslund/rock,ooc-lang/rock,fasterthanlime/rock,ds84182/rock,shamanas/rock,zhaihj/rock,cogneco/rock,davidhesselbom/rock,fredrikbryntesson/rock,magic-lang/rock,kirbyfan64/rock,ooc-lang/rock,fredrikbryntesson/rock,cogneco/rock,marcusnaslund/rock,thomasfanell/rock,magic-lang/rock,thomasfanell/rock,fasterthanlime/rock,davidhesselbom/rock,zhaihj/rock,ds84182/rock,jonathanudd/rock,kirbyfan64/rock,shamanas/rock