Use LIBC_Q for LIBC_PRIVATE / LIBC_PLATFORM

Bug: none
Test: run bionic unit tests
Change-Id: I59794597db9cbd23c917498e5e82296a379c8fb5
diff --git a/libc/libc.arm64.map b/libc/libc.arm64.map
index 2f5c4ab..eadf70d 100644
--- a/libc/libc.arm64.map
+++ b/libc/libc.arm64.map
@@ -1364,7 +1364,7 @@
     get_malloc_leak_info;
     gMallocLeakZygoteChild;
     write_malloc_leak_info;
-} LIBC_P;
+} LIBC_Q;
 
 LIBC_DEPRECATED {
   global:
@@ -1386,4 +1386,4 @@
     malloc_disable;
     malloc_enable;
     malloc_iterate;
-} LIBC_P;
+} LIBC_Q;