This change preents a race on the 'TZ' environ global variable in libc. This should prevent a crash when base::Time::LocalMidnight calls out to Time::FromExploded() which invokes mktime(), which relies on the timezone, which is initialized when initializing libc (bionic on Android).
This change preents a race on the 'TZ' environ global variable in libc.
This should prevent a crash when base::Time::LocalMidnight calls out to
Time::FromExploded() which invokes mktime(), which relies on the timezone,
which is initialized when initializing libc (bionic on Android).

BUG=390567

Review URL: https://codereview.chromium.org/444473002

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@288544 0039d316-1c4b-4281-b951-d872f2087c98

ondra-novak/chromium.src,bright-sparks/chromium-spacewalk,ondra-novak/chromium.src,bright-sparks/chromium-spacewalk,bright-sparks/chromium-spacewalk,bright-sparks/chromium-spacewalk,littlstar/chromium.src,littlstar/chromium.src,littlstar/chromium.src,littlstar/chromium.src,bright-sparks/chromium-spacewalk,ondra-novak/chromium.src,littlstar/chromium.src,ondra-novak/chromium.src,littlstar/chromium.src,bright-sparks/chromium-spacewalk,ondra-novak/chromium.src,ondra-novak/chromium.src,ondra-novak/chromium.src,ondra-novak/chromium.src,littlstar/chromium.src,littlstar/chromium.src,ondra-novak/chromium.src,bright-sparks/chromium-spacewalk,bright-sparks/chromium-spacewalk,bright-sparks/chromium-spacewalk