Remove 'EXPERIMENTAL = "True"' setting for UReadAheadServer test.

BUG=chromium:251867
TEST=The test has been passing on the canary waterfalls.

Change-Id: I80b8651649ebe87f6c6649bcd5b9b82dd86f48b6
Reviewed-on: https://gerrit.chromium.org/gerrit/63471
Reviewed-by: Richard Barnette <jrbarnette@chromium.org>
Commit-Queue: Siva Chandra Reddy <sivachandra@chromium.org>
Tested-by: Siva Chandra Reddy <sivachandra@chromium.org>
1 file changed