tree b91dcd03d767f004d3326758d9532f7e6e4b8da3
parent 75debec36b03bc2d5166f054e37ba2f4cdf5fa11
author Kevin Cheng <kevcheng@chromium.org> 1454610644 -0800
committer chrome-bot <chrome-bot@chromium.org> 1454636065 -0800

cbuildbot: Ensure incremental builders do not clear chroot midrun.

BUG=chromium:584035
TEST=sync_stages_unittest still passes

Change-Id: I66e0ff3b6363d9e93ed03fe7d58d2b2ea89175a0
Reviewed-on: https://chromium-review.googlesource.com/325824
Commit-Ready: Kevin Cheng <kevcheng@chromium.org>
Tested-by: Kevin Cheng <kevcheng@chromium.org>
Reviewed-by: Kevin Cheng <kevcheng@chromium.org>