libnativehelper: correct comment syntax in libnativehelper.map.txt

Bug: 185256332
Test: m
Change-Id: Ic5542b9019753dc427df623aa17938e63c958efb
diff --git a/libnativehelper.map.txt b/libnativehelper.map.txt
index b4c6d41..70e0ece 100644
--- a/libnativehelper.map.txt
+++ b/libnativehelper.map.txt
@@ -4,8 +4,10 @@
     AFileDescriptor_create;
     AFileDescriptor_getFd;
     AFileDescriptor_setFd;
-    AFileDescriptor_getFD;  // Deprecated pending removal (b/185256332).
-    AFileDescriptor_setFD;  // Deprecated pending removal (b/185256332).
+    # AFileDescriptor_getFD is deprecated pending removal (b/185256332).
+    AFileDescriptor_getFD;
+    # AFileDescriptor_setFD is deprecated pending removal (b/185256332).
+    AFileDescriptor_setFD;
 
     # JNI Invocation methods available to platform and apps.
     JNI_CreateJavaVM;