RFR: JDK-8218177: Bump jib format_version to support new devkit archive layout

[Magnus Ihse Bursie]

On 2019-02-05 01:24, Erik Joelsson wrote:
> This patch was a bit premature, but now with a proper fix in Jib, here 
> is an updated version. It restores the use of the new devkit as well 
> as changes some more instances of install_path to home_path.
>
> Webrev: http://cr.openjdk.java.net/~erikj/8218177/webrev.02/
Looks good to me.

/Magnus

>
> /Erik
>
>
> On 2019-01-31 16:23, Erik Joelsson wrote:
>> With the new devkits I deployed recently (Oracle internal), the file 
>> layout changed as a top level directory inside the tar archive was 
>> introduced. This works in most cases, but there are certain 
>> situations where jib does not handle this well. This causes AOT 
>> testing on Linux to stop working with the run-test-prebuilt make target.
>>
>> This issue is being fixed in Jib, but to activate the fix a bump in 
>> the format_version is required. This patch does that, as well as 
>> adjusting to conform to the new behavior.
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8218177
>>
>> Webrev: http://cr.openjdk.java.net/~erikj/8218177/webrev.01/
>>
>> (note that the Jib fix is not yet live in production)
>>
>> /Erik
>>