Merge "Revert "RpcSession attaches/detaches JVM for Java thread"" am: a474aaf349 am: 60aa427cf4 am: 2786702b59

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1767687

Change-Id: Iedcc11e096cee2d4e9f36887846b7a799ce50a4e