6980985: java/lang/management/MemoryMXBean/ResetPeakMemoryUsage is not robust when getMax() returns -1
7181907: TEST_BUG: j/l/management/MemoryMXBean/ResetPeakMemoryUsage fails with NegativeArraySizeException
7148492: java/lang/management/MemoryMXBean/ResetPeakMemoryUsage.java failing since update to hs23-b15 or b16
Reviewed-by: mchung, brutisso