Use LIBC_Q for LIBC_PRIVATE / LIBC_PLATFORM

Bug: none
Test: run bionic unit tests
Change-Id: I59794597db9cbd23c917498e5e82296a379c8fb5
diff --git a/libc/libc.x86.map b/libc/libc.x86.map
index 243af5b..f6d1871 100644
--- a/libc/libc.x86.map
+++ b/libc/libc.x86.map
@@ -1486,7 +1486,7 @@
     wait3; # arm x86 mips
     wcswcs; # arm x86 mips
     write_malloc_leak_info;
-} LIBC_P;
+} LIBC_Q;
 
 LIBC_DEPRECATED {
   global:
@@ -1508,4 +1508,4 @@
     malloc_disable;
     malloc_enable;
     malloc_iterate;
-} LIBC_P;
+} LIBC_Q;