Merge "Revert "RpcSession attaches/detaches JVM for Java thread"" am: a474aaf349 am: 60aa427cf4 am: 2786702b59 am: 2d9993ba56

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

Change-Id: I0ba1d2d723205c3b2de9eebc3469341f75095dc9