RFR: 8231981: Refactor test definitions to split RT and SVC tests

[Leonid Mesnik]

Hi

Could you please review following fix which separate runtime and serviceability tests. Runtime and serviceability belong to different components and separating tier2/3 separate failures and helps to analyze results.

webrev: http://cr.openjdk.java.net/~lmesnik/8231981/webrev.00/ <http://cr.openjdk.java.net/~lmesnik/8231981/webrev.00/>
bug https://bugs.openjdk.java.net/browse/JDK-8231981 <https://bugs.openjdk.java.net/browse/JDK-8231981>

Leonid