Merge "libbinder: rpc java detach error code"

                            "Unable to detach thread. No JavaVM, but it was present before!");

        LOG_RPC_DETAIL("Detaching current thread from JVM");

        if (vm->DetachCurrentThread() != JNI_OK) {

        int ret = vm->DetachCurrentThread();

        if (ret == JNI_OK) {

            mAttached = false;

        } else {

            ALOGW("Unable to detach current thread from JVM");

            ALOGW("Unable to detach current thread from JVM (%d)", ret);

        }

    }