RFR: 8277322: Document that setting an invalid property `jdk.serialFilter` disables deserialization

[Iris Clark]

On Mon, 22 Nov 2021 19:57:25 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

> The effects of an invalid `jdk.serialFilter` property are not completely documented. If the value of the system property jdk.serialFilter is invalid, deserialization should not be possible and it should be clear in the specification. 
> 
> Specify an implementation specific exception is thrown in the case where deserialization is invoked after reporting the invalid jdk.serialFilter.

Associated CSR also Reviewed.

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Marked as reviewed by iris (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/6508