Increase tick interval for the android platform.
Increase tick interval for the android platform.

The phones and tablets currently in use are much slower that desktop
and laptop machines for which the current heuristics have been tuned.
Review URL: http://codereview.chromium.org/8757017

git-svn-id: b158db1e4b4ab85d4c9e510fdef4b1e8c614b15b@10103 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh