RFR(S) 8054938: [TESTBUG] Wrong WhiteBox.java was pushed by JDK-8044140

[Zhengyu Gu]

This changeset reverses the WhiteBox.java pushed by JDK-8044140.


Bug: [TESTBUG] Wrong WhiteBox.java was pushed by JDK-8044140 
<[TESTBUG]%20Wrong%20WhiteBox.java%20was%20pushed%20by%20JDK-8044140>
Webrev: http://cr.openjdk.java.net/~zgu/8044140/webrev.00/ 
<http://cr.openjdk.java.net/%7Ezgu/8044140/webrev.00/>

Test:
   Jtreg tests on Linux x64.


Thanks,

-Zhengyu