Fix a memory performance issue when creating Dagger's BindingGraph. #4120
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Fix a memory performance issue when creating Dagger's BindingGraph.
This CL fixes an issues where each subcomponent was storing its complete list of accessible bindings, which includes any bindings it needs from its ancestor components. This ends up requiring much more space than actually required if we just store the bindings owned by the subcomponent and delegate to the parent component for any bindings accessible there.
I think this can likely be done for our
LegacyBindingGraph
classes as well, but I'll save that for another CL.RELNOTES=N/A