Remove try_touch_experiment.

BUG=chromium:351796
TEST=tested buildbot image

Change-Id: I72639ed661fc5ec829b69b7341b86cbab9edebdf
Reviewed-on: https://chromium-review.googlesource.com/189691
Reviewed-by: Andrew de los Reyes <adlr@chromium.org>
Commit-Queue: Andrew de los Reyes <adlr@chromium.org>
Tested-by: Andrew de los Reyes <adlr@chromium.org>
1 file changed