Merge "Clarify RpcServer shutdown error for corner case" am: 42c73a38fc

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2503961

Change-Id: Iccaffd678b178994c3f4bf7acf06147c60caa9ac
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/libs/binder/RpcServer.cpp b/libs/binder/RpcServer.cpp
index 0d06e9e..851b407 100644
--- a/libs/binder/RpcServer.cpp
+++ b/libs/binder/RpcServer.cpp
@@ -295,7 +295,8 @@
 bool RpcServer::shutdown() {
     RpcMutexUniqueLock _l(mLock);
     if (mShutdownTrigger == nullptr) {
-        LOG_RPC_DETAIL("Cannot shutdown. No shutdown trigger installed (already shutdown?)");
+        LOG_RPC_DETAIL("Cannot shutdown. No shutdown trigger installed (already shutdown, or not "
+                       "joined yet?)");
         return false;
     }