[autotest] Skip provision for autoupdate_EndToEndTest

This is the follow up work for CL:
https://chromium-review.googlesource.com/328392

BUG=chromium:582353
TEST=None

Change-Id: Idf9d749da6458b878ab9a6f5635df80fcdbd55a4
Reviewed-on: https://chromium-review.googlesource.com/328736
Commit-Ready: Dan Shi <dshi@google.com>
Tested-by: Dan Shi <dshi@google.com>
Reviewed-by: Fang Deng <fdeng@chromium.org>
1 file changed