Merged r16324 into 3.20 branch.

Lower kInitialMaxFastElementArray constant to 95K

BUG=v8:2790
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/23506017

git-svn-id: https://v8.googlecode.com/svn/branches/3.20@16477 ce2b1a6d-e550-0410-aec6-3dcde31c8c00