OpenJDK JRE should be ported to GTK3

Um, do we need default-jdk in main?

It looks like it is pulled in by
1. libreoffice-dev
2. libreoffice-base from supported-desktop-extra from ubuntu.bionic
3. The supported-development-common seed from platform.bionic

This bug was fixed in the package openjdk-8 - 8u162-b12-1

---------------
openjdk-8 (8u162-b12-1) unstable; urgency=high

  [ Tiago Stürmer Daitx ]
  * Update to 8u162-b12. Hotspot 8u162-b12 for aarch32 and 8u161-b16
    for aarch64 (wth 8u162-b12 patches).
  * Security updates:
    - CVE-2018-2633,S8186606: Improve LDAP lookup robustness.
    - CVE-2018-2637,S8186998: Improve JMX supportive features.
    - CVE-2018-2634,S8186600: Improve property negotiations.
    - CVE-2018-2582,S8174962: Better interface invocations.
    - CVE-2018-2641,S8185325: Improve GTK initialization.
    - CVE-2018-2618,S8185292: Stricter key generation.
    - CVE-2018-2629,S8186212: Improve GSS handling.
    - CVE-2018-2603,S8182387: Improve PKCS usage.
    - CVE-2018-2599,S8182125: Improve reliability of DNS lookups.
    - CVE-2018-2602,S8182601: Improve usage messages.
    - CVE-2018-2588,S8178449: Improve LDAP logins.
    - CVE-2018-2678,S8191142: More refactoring for naming deserialization
      cases.
    - CVE-2018-2677,S8190289: More refactoring for client deserialization
      cases.
    - CVE-2018-2663,S8189284: More refactoring for deserialization cases.
    - CVE-2018-2579,S8172525: Improve key keying case.
  * d/p/aarch64-hotspot-8u162-b12.patch: update aarch64 hotspot to 8u162-b12.
  * d/p/icedtea-4953367.patch: removed, fixed upstream by "S8136570: Stop
    changing user environment variables related to /usr/dt".
  * d/p/gcc6.diff: removed, fixed upstream.
  * d/p/jdk-getAccessibleValue.diff: updated, removed chunks fixed upstream
    by "S8076249: NPE in AccessBridge while editing JList model" and
    "S8145207: [macosx] JList, VO can't access non-visible list items".
  * d/p/openjdk-ppc64el-S8170153.patch, d/p/8164293.diff,
    d/p/hotspot-ppc64el-S8145913-montgomery-multiply-intrinsic.patch,
    d/p/hotspot-ppc64el-S8168318-cmpldi.patch,
    d/p/hotspot-ppc64el-S8170328-andis.patch,
    d/p/hotspot-ppc64el-S8175813-mbind-invalid-argument.patch,
    d/p/hotspot-ppc64el-S8181055-use-numa-v2-api.patch,
    d/p/hotspot-ppc64el-S8181810-leverage-extrdi.patch: removed,
    applied upstream.
  * d/rules, d/control: depend on GKT3 instead of GTK2 for newer releases.
    LP: #1735482.
  * d/rules: wait 10 seconds before issuing SIGKILL to buildwatch.
  * d/buildwatch.sh: find hs_err files and cat them to help debugging build
    failures.
  * S8173853: IllegalArgumentException in java.awt.image.ReplicateScaleFilter.
    LP: #8173853.

  [ Matthias Klose ]
  * Disable Hotspot workaround for Exec Shield (Debian only).
    Closes: #876051.
  * Fix some lintian warnings.

 -- Matthias Klose <email address hidden> Thu, 15 Mar 2018 18:19:50 +0100

openjdk-9 source removed from bionic

fixed in 18.04

fixed in 10 in 18.04

also done for openjdk-11, but now only available in the openjdk-r/ppa PPA