RFR: 8238863: Refactor out static initialization from Dict constructors

[Nils Eliasson]

Hi Claes,

Looks good!

// Nils

On 2020-02-11 15:24, Claes Redestad wrote:
> Hi,
>
> I stumbled upon some static initialization in Dict and after reading it
> twice I think we would be better off by spelling it out as a constant
> rather than calculating it at runtime.
>
> Webrev: http://cr.openjdk.java.net/~redestad/8238863/open.00/
> Bug:    https://bugs.openjdk.java.net/browse/JDK-8238863
>
> Testing: tier1+2
>
> /Claes