RFR: 8254173: Add Zero, Minimal hotspot targets to submit workflow [v3]

[Robin Westberg]

On Thu, 8 Oct 2020 07:20:39 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> Zero VM and Minimal VM builds are routinely discovering the problems with internal Hotspot dependencies. Mostly because
>> they turn off the whole lot of VM features, and every path that is not guarded by a feature #ifdef or build file list
>> fails.   It would be good to add Zero and Minimal targets to submit workflow.
>> 
>> It seems to add two ~9 minute stages, compared to ~17 minute stage for building no-pch hotspot, and ~33 minutes for
>> full JDK.
>> Attention @rwestberg.
>> 
>> Testing:
>>   - [x] GH workflow still works; see [latest run ](https://github.com/shipilev/jdk/actions/runs/293805791)
>
> Aleksey Shipilev has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Simplify step names

Looks good, thanks for fixing!

-------------

Marked as reviewed by rwestberg (Committer).

PR: https://git.openjdk.java.net/jdk/pull/546