enquote $@ so that enquoted args to test_that will work correctly

BUG=None
TEST=test_that works properly with --args="--potato=1 --carrot=2"

Change-Id: I1f8c68ed512c095f4405937643c8a2284c324364
Reviewed-on: https://gerrit.chromium.org/gerrit/64015
Tested-by: Aviv Keshet <akeshet@chromium.org>
Reviewed-by: Christopher Wiley <wiley@chromium.org>
Commit-Queue: Aviv Keshet <akeshet@chromium.org>
1 file changed