`totalTime` is available at the top level.
`totalTime` is available at the top level.

No need to grab it from `graph.totalTime`.

Added in
https://github.com/broccolijs/broccoli/commit/bad5131b0ac7b44cc35390edde1d325ed985c1dd.

broccolijs/broccoli,ember-cli/broccoli,ixisystems/broccoli,osxi/broccoli,gabesoft/broccoli,ixisystems/broccoli,gabesoft/broccoli,ember-cli/broccoli,broccolijs/broccoli,ember-cli/broccoli,osxi/broccoli,broccolijs/broccoli,broccolijs/broccoli,osxi/broccoli,gabesoft/broccoli