[aarch64-port-dev ] RFR[XXS] 8248672: utilities: Introduce DEPRECATED macro for GCC and MSVC

[Ludovic Henry]

Hi,

Could I please have a review on the following. It simply adds the `DEPRECATED` macro to wrap `__attribute__ ((deprecated))` for GCC, and the equivalent for MSVC.

JBS: https://bugs.openjdk.java.net/browse/JDK-8248672
Webrev: http://cr.openjdk.java.net/~burban/luhenry/8248672/webrev.00

Thank you,

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Ludovic