java-1.8.0-openjdk security update

[1:1.8.0.151-1.b12]

• repack policies adapted to new counts and paths
• note that also c-j-c is needed to make this apply in next update
• Resolves: rhbz#1499207
  [1:1.8.0.151-0.b12]
• Correct fix to RH1191652 root patch so existing COMMON_CCXXFLAGS_JDK is not lost.
• Resolves: rhbz#1499207
  [1:1.8.0.151-0.b12]
• Update location of policy JAR files following 8157561.
• Resolves: rhbz#1499207
  [1:1.8.0.151-0.b12]
• Update SystemTap tapsets to version in IcedTea 3.6.0pre02 to fix RH1492139.
• Resolves: rhbz#1499207
  [1:1.8.0.151-0.b12]
• Fix premature shutdown of NSS in SunEC provider.
• Move -ffp-no-contract fix to local fixes section.
• Resolves: rhbz#1499207
  [1:1.8.0.151-0.b12]
• Add 8075484/PR3473/RH1490713 which is listed as being in 8u151 but not supplied by Oracle.
• Resolves: rhbz#1499207
  [1:1.8.0.151-0.b12]
• Update to aarch64-jdk8u151-b12.
• Update location of OpenJDK zlib system library source code in remove-intree-libraries.sh
• Drop upstreamed patches for 8179084 and RH1367357 (part of 8183028).
• Update RH1191652 (root) to accomodate 8151841 (GCC 6 support).
• Update RH1163501 to accomodate 8181048 (crypto refactoring)
• Resolves: rhbz#1499207