Import package:path with an alias in module_builder
Import package:path with an alias in module_builder

(follow-up to hasty
https://github.com/dart-lang/dev_compiler/commit/b379f403d556a6eca9a7e07
74611999c623f03e6)

ochafik/dev_compiler,ochafik/dev_compiler,ochafik/dev_compiler,ochafik/dev_compiler