libbinder: doc giveThreadPoolName

Change-Id: I8040e8064907c7283edb78d04e965cad609f3a99
Fixes: 266792385
Test: N/A
diff --git a/libs/binder/include/binder/ProcessState.h b/libs/binder/include/binder/ProcessState.h
index bad8cb1..471c994 100644
--- a/libs/binder/include/binder/ProcessState.h
+++ b/libs/binder/include/binder/ProcessState.h
@@ -64,6 +64,11 @@
     // For main functions - dangerous for libraries to use
     status_t setThreadPoolMaxThreadCount(size_t maxThreads);
     status_t enableOnewaySpamDetection(bool enable);
+
+    // Set the name of the current thread to look like a threadpool
+    // thread. Typically this is called before joinThreadPool.
+    //
+    // TODO: remove this API, and automatically set it intelligently.
     void giveThreadPoolName();
 
     String8 getDriverName();