suppress warnings from libxml2

It appears libxml2 uses gtk-doc instead of doxygen and that
clang -Wdocumentation follows include files across libraries.
So our normal third party module warning suppression won't work.

Change-Id: Ic53045a570aa97c77352b5585dacd8cc47342895
Fix combination of java wrapping and testing off.

Change-Id: I451626004ef93bf1e42f393c6af8f87cf06dec57
Merge branch 'java_sans_testing-rel' into release

Change-Id: I9aab7796b955c3281fcd78d4b4bdcb7d5965644d
Merge branch 'suppress_libxml2_doc_warnings-rel' into release

Change-Id: I0a7fe4c1604a21dcb6b365ba5eb244d7372e157a