java-1.8.0-openjdk security update

1:1.8.0.131-0.b11 - Update to aarch64-jdk8u131-b11. - Drop upstreamed patches for 8147910, 8161993, 8170888 and 8173783. - Update generatesourcetarball.sh to remove patch remnants. - Cleanup tarball creation documentation to avoid duplication. - Resolves: rhbz1438751 1:1.8.0.121-2.b13 - Add...