[13] RFR(S) 8225350: compiler/jvmci/compilerToVM/IsCompilableTest.java timed out

[Vladimir Kozlov]

https://bugs.openjdk.java.net/browse/JDK-8225350
http://cr.openjdk.java.net/~kvn/8225350/webrev.00/

Tests which use JVMCICompiler (Graal) explicitly are timed out when run with -Xcomp -XX:-TieredCompilation flags.

Run such tests only in Xmixed  + TieredCompilation mode.

Thanks,
Vladimir