RFR 8179905: Remove the use of gettimeofday in Networking code

[Vyom Tewari]

Hi ,

Please review the code change for below issue.
Webrev  : http://cr.openjdk.java.net/~vtewari/8179905/webrev0.0/index.html

BugId     : https://bugs.openjdk.java.net/browse/JDK-8179905

This issue is duplicate of "JDK-8165437", where pushed code change 
failed on 32 bit platforms so we revert back code changes as part of 
"JDK-8179602".

Please find below is the webrev that was pushed as part of "JDK-8165437".

Webrev  : http://cr.openjdk.java.net/~vtewari/8165437/webrev0.7/index.html

Thanks,

Vyom