Use corrected env for first sync too.
Use corrected env for first sync too.

BUG=257423
TEST=local
R=ilevy@chromium.org, maruel@chromium.org

Review URL: https://codereview.chromium.org/18457003

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@210613 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build