Remove try_touch_experiment.

BUG=chromium:351796
TEST=tested buildbot image

Change-Id: I05f97d83d407de5d516b10548441bb7d8376987d
Reviewed-on: https://chromium-review.googlesource.com/189648
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
Commit-Queue: Andrew de los Reyes <adlr@chromium.org>
Tested-by: Andrew de los Reyes <adlr@chromium.org>
1 file changed