Warn for an ignored setter for path property of ParsedDependency
Warn for an ignored setter for path property of ParsedDependency

RELNOTES: n/a

Closes #982 from koba04/closure-library:warn-for-ignored-setter

ORIGINAL_AUTHOR=Toru Kobayashi <koba0004@gmail.com>

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google/closure-library,google/closure-library,lucidsoftware/closure-library,google/closure-library,google/closure-library,lucidsoftware/closure-library,google/closure-library,lucidsoftware/closure-library,lucidsoftware/closure-library