[8u] RFR(xs): 8257397: [TESTBUG] test/lib/containers/docker/Common.java refers to -Xlog:os+container=trace

[Severin Gehwolf]

Hi,

Please review this test-fix. 8u-only bug. See [1] for details.

Bug: https://bugs.openjdk.java.net/browse/JDK-8257397
webrev: https://cr.openjdk.java.net/~sgehwolf/webrevs/JDK-8257397/01/webrev/

Thanks,
Severin

[1] https://mail.openjdk.java.net/pipermail/jdk8u-dev/2020-November/013070.html
    https://mail.openjdk.java.net/pipermail/jdk8u-dev/2020-November/013134.html