This was derived from Makefile.android

BUG=v8:2614

Review URL: https://codereview.chromium.org/13561007
Patch from Brad Chen <bradchen@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14176 ce2b1a6d-e550-0410-aec6-3dcde31c8c00