chromeos_config: Mark more flaky paladins experimental.

These are currently marked experimental via tree status. They have
failed more than 2 builds in the last 24 hours. Bugs are being actively
worked on. Tree status is an unreliable place for this, so mark them
here.

BUG=chromium:819287
BUG=chromium:819017
BUG=chromium:794242
BUG=chromium:819695
TEST=unittests

Change-Id: I8c2d3a9339dfd32e9123bf66a5a0adb0107d5032
Reviewed-on: https://chromium-review.googlesource.com/953336
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Prathmesh Prabhu <pprabhu@chromium.org>
Reviewed-by: Prathmesh Prabhu <pprabhu@chromium.org>
Reviewed-by: Richard Barnette <jrbarnette@google.com>
2 files changed