RFR: 8252830: Correct missing javadoc comments in java.rmi module [v3]

[Roger Riggs]

> 8252830: Correct missing javadoc comments in java.rmi module

Roger Riggs has updated the pull request incrementally with one additional commit since the last revision:

  Added java.io.Serial to java.rmi.activation.ActivationID

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/79/files
  - new: https://git.openjdk.java.net/jdk/pull/79/files/8aeaf5ed..c5813e9e

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=79&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=79&range=01-02

  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/79.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/79/head:pull/79

PR: https://git.openjdk.java.net/jdk/pull/79