JDK 15: Second Release Candidate

[mark.reinhold at oracle.com]

We fixed three bugs after build 35 [1], so build 36 is our second
JDK 15 Release Candidate.

Binaries available here, as usual: https://jdk.java.net/15

- Mark


[1] https://bugs.openjdk.java.net/issues/?jql=project%20%3D%20JDK%20AND%20fixversion%20%3D%2015%20and%20%22resolved%20in%20build%22%20%3D%20b36%20order%20by%20component%2C%20subcomponent