Intrinsics for float/int and double/long conversions.

[cherry-picked e22bd84c8c8a57ddd86c21a1f65137d549b07935 from dalvik-dev to gingerbread]

Bug: 2935622
Change-Id: Ib4de19033dc4a08f41bf0eb0f7a21dcde216aae3
3 files changed