Enable test-api/SetFunctionEntryHook for a64. It was fixed in r19297.

BUG=v8:3153
LOG=N
R=jochen@chromium.org

Review URL: https://codereview.chromium.org/163243003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@19352 ce2b1a6d-e550-0410-aec6-3dcde31c8c00