c11b23bbc1
Motivation: When using the JdkSslEngine, the ALPN class is used keep a reference to the engine. In the event that the TCP connection fails, the SSLEngine is not removed from the map, creating a memory leak. Modification: Always close the SSLEngine regardless of if the channel became active. Also, record the SSLEngine was closed in all places. Result: Fixes: https://github.com/grpc/grpc-java/issues/3080