CA-129648: Handle deprecation warnings causing XenRT test failures.

Suppressed warning in test checking explicitly for the use of deprecated method
HostPatch.apply. Removed use of deprecated methods SR.make and SR.makeAsync.

Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>
CA-124005: Updated java README. Do a test compilation of the samples when building.

Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>