tree efaef6339707aa45e80d8c1c634b2c241cdd7025
parent 5b951d7b3a9b3d50e71f41b7f53b2873956bb132
author Jinseong Jeon <jsjeon@google.com> 1564680130 -0700
committer Jinseong Jeon <jsjeon@google.com> 1564681024 +0000

Add tests about StringBuilder used by potentially dead code.

Bug: 114002137, 137038659
Change-Id: Ib44b0ff0e11af1ac3ebcdd51cb8730b93d8e777f