RFR: 8256414: add optimized build to submit workflow [v2]

[Igor Ignatyev]

On Mon, 16 Nov 2020 18:58:37 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> Igor Ignatyev has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   added --disable-precompiled-headers
>
> Marked as reviewed by shade (Reviewer).

Thanks for the reviews, folks. the build looks green, integrating.

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PR: https://git.openjdk.java.net/jdk/pull/1233