tree 5c42c0fb07fd4dc15501c20eceea6b462e5c1bee
parent 96c2682c27538fdee7e1fabb5ce1014246589853
author Frank Tang <ftang@chromium.org> 1557444864 -0700
committer Frank Yung-Fong Tang <41213225+FrankYFTang@users.noreply.github.com> 1557788427 -0700

ICU-20595 Make icu::TimeZone::AdoptDefault thread safe

correct the mutex

Remove comments about not thread safe