8350909: [JMH] test ThreadOnSpinWaitShared failed for 2 threads config

Reviewed-by: jbhateja, drwhite

Author: Vladimir Ivanov

test/micro/org/openjdk/bench/java/lang/ThreadOnSpinWaitSharedCounter.java

@@ -40,7 +40,7 @@
 
 @BenchmarkMode(Mode.AverageTime)
 @OutputTimeUnit(TimeUnit.MILLISECONDS)
-@State(Scope.Benchmark)
+@State(Scope.Thread)
 @Warmup(iterations = 5, time = 1)
 @Measurement(iterations = 5, time = 1)
 @Fork(value = 3)