tree 633d03d050f3d05b3b5bfa82fe43b5eaf73dadb9
parent 73f6c175b9c7096949b7fbbe299952e5e7c16ab7
author David Pursehouse <dpursehouse@digital.ai> 1587703623 +0900
committer David Pursehouse <dpursehouse@digital.ai> 1587703643 +0900

ErrorProne: Replace usage of StringBuffer with StringBuilder

ErrorProne reports:

  [JdkObsolete] StringBuffer performs synchronization that is usually
  unnecessary; prefer StringBuilder.

  See https://errorprone.info/bugpattern/JdkObsolete

Change-Id: I66f01e80587f0c66744e8501643bbe638396e023