Merge branch 'stable-2.14' into stable-2.15

* stable-2.14:
  LocalLargeFileRepository: Rename DEFAULT_TIMEOUT to DEFAULT_EXPIRATION_SECONDS
  LocalLargeFileRepository#getContentPath: Avoid String concatentation
  LfsBackend: Add implementation of toString
  LfsGlobalConfig: Use native Java Stream API instead of guava
  LfsBackend: Make constructor and DEFAULT private
  Use Logger's built-in formatting where appropriate
  Align Eclipse compiler settings with core Gerrit's
  Upgrade bazlets to latest stable-2.14

Change-Id: I8e430ec46ec9ae4f3a2aa1f24df0931822e3e977