This update for chromium fixes the following issues:

- Chromium updated to 84.0.4147.125 (boo#1175085)
  * CVE-2020-6542: Use after free in ANGLE
  * CVE-2020-6543: Use after free in task scheduling
  * CVE-2020-6544: Use after free in media
  * CVE-2020-6545: Use after free in audio
  * CVE-2020-6546: Inappropriate implementation in installer
  * CVE-2020-6547: Incorrect security UI in media
  * CVE-2020-6548: Heap buffer overflow in Skia
  * CVE-2020-6549: Use after free in media
  * CVE-2020-6550: Use after free in IndexedDB
  * CVE-2020-6551: Use after free in WebXR
  * CVE-2020-6552: Use after free in Blink
  * CVE-2020-6553: Use after free in offline mode
  * CVE-2020-6554: Use after free in extensions
  * CVE-2020-6555: Out of bounds read in WebGL
  * Various fixes from internal audits, fuzzing and other
    initiatives

- Disable wayland everywhere as it breaks headless and
  middle mouse copy everywhere:
  boo#1174497 boo#1175044

This update was imported from the openSUSE:Leap:15.2:Update update project.