P3
Refactor hotspot/test/gc/g1/humongousObjects/TestHumongousThreshold.java
1. private static byte[] allocateAndCheck(int arraySize, boolean expectedHumongous) return value is never used
2. change NON_HUMONGOUS_DIVIDER to NON_HUMONGOUS_STEPS
1. private static byte[] allocateAndCheck(int arraySize, boolean expectedHumongous) return value is never used
2. change NON_HUMONGOUS_DIVIDER to NON_HUMONGOUS_STEPS