[11u] RDR: backport JDK-8211841, JDK-8213614, JDK-8211810 and JDK-8208996

[Ichiroh Takiguchi]

Hello.

I got jdk11u-fix-yes for following bug ids:

JDK-8211841 [testbug] sun/nio/cs/OLD/TestIBMDB.java does not compile 
(aix) [1]
JDK-8213614 DnD operation change feature does not work with 64bit big 
endian CPU [2]
JDK-8211810 X11 Time stamp data should be unsigned [3]
JDK-8208996 X11 icon window color handing bug [4]

Changesets are:
JDK-8211841 6b37a7ba9b66 [5]
JDK-8213614 5b91e69e1fd0 [6]
JDK-8211810 edc729e2ee36 [7]
JDK-8208996 5ade5b3a227e [8]

I'd like to obtain a sponsor for JDK-8211841, JDK-8213614, JDK-8211810 
and JDK-8208996.

[1] https://bugs.openjdk.java.net/browse/JDK-8211841
[2] https://bugs.openjdk.java.net/browse/JDK-8213614
[3] https://bugs.openjdk.java.net/browse/JDK-8211810
[4] https://bugs.openjdk.java.net/browse/JDK-8208996
[5] http://hg.openjdk.java.net/jdk/jdk12/rev/6b37a7ba9b66
[6] http://hg.openjdk.java.net/jdk/jdk/rev/5b91e69e1fd0
[7] http://hg.openjdk.java.net/jdk/jdk/rev/edc729e2ee36
[8] http://hg.openjdk.java.net/jdk/jdk/rev/5ade5b3a227e

Thanks,
Ichiroh Takiguchi
IBM Japan, Ltd.