[8u] Request for approval for bulk changes from Jan 2017 CPU 8u121 fixes into 8u

[Abhijit Saha]

8u121 has been released earlier today [1]. Requesting approval to sync 
up the 8u121 changes into the jdk8u forest.

webrev :  http://cr.openjdk.java.net/~asaha/openJDK.8u121-8u152.sync/webrev


Thanks
Abhijit


[1] http://www.oracle.com/technetwork/java/javase/downloads/index.html


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