RFR: 8269636: Change outputStream's print_raw() and print_raw_cr() second parameter to size_t type

[Calvin Cheung]

On Fri, 16 Jul 2021 17:02:01 GMT, Ioi Lam <iklam at openjdk.org> wrote:

>> Please review this small cleanup so that the callers of outputStream's `print_raw()` don't need to typecast the second arg to int.
>> 
>> Testing:
>> - [x] Tiers1,2
>
> LGTM

@iklam, @yminqi, Thanks for the review.

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PR: https://git.openjdk.java.net/jdk/pull/4814