Use LIBC_Q for LIBC_PRIVATE / LIBC_PLATFORM

Bug: none
Test: run bionic unit tests
Change-Id: I59794597db9cbd23c917498e5e82296a379c8fb5
diff --git a/libc/libc.map.txt b/libc/libc.map.txt
index b4262da..12e657f 100644
--- a/libc/libc.map.txt
+++ b/libc/libc.map.txt
@@ -1672,7 +1672,7 @@
     wait3; # arm x86 mips
     wcswcs; # arm x86 mips
     write_malloc_leak_info;
-} LIBC_P;
+} LIBC_Q;
 
 LIBC_DEPRECATED {
   global:
@@ -1694,4 +1694,4 @@
     malloc_disable;
     malloc_enable;
     malloc_iterate;
-} LIBC_P;
+} LIBC_Q;