Move __aeabi* symbols to LIBC_N version

We had these symbols incorrectly versioned as LIBC_PRIVATE
in M release. This change moves __aeabi* symbols from LIBC
to LIBC_N and adds __gnu_Unwind_Find_exidx to the list

Bug: https://github.com/android-ndk/ndk/issues/1
Change-Id: I0b353012adeacb00ae29ea10c63b9d1cf1cadbe7
diff --git a/libc/libc.arm.brillo.map b/libc/libc.arm.brillo.map
index f7033a0..4ebdc45 100644
--- a/libc/libc.arm.brillo.map
+++ b/libc/libc.arm.brillo.map
@@ -1,19 +1,6 @@
 # Generated by genversionscripts.py. Do not edit.
 LIBC {
   global:
-    __aeabi_atexit; # arm
-    __aeabi_memclr; # arm
-    __aeabi_memclr4; # arm
-    __aeabi_memclr8; # arm
-    __aeabi_memcpy; # arm
-    __aeabi_memcpy4; # arm
-    __aeabi_memcpy8; # arm
-    __aeabi_memmove; # arm
-    __aeabi_memmove4; # arm
-    __aeabi_memmove8; # arm
-    __aeabi_memset; # arm
-    __aeabi_memset4; # arm
-    __aeabi_memset8; # arm
     __assert;
     __assert2;
     __atomic_cmpxchg; # arm
@@ -1224,9 +1211,23 @@
 
 LIBC_N {
   global:
+    __aeabi_atexit; # arm
+    __aeabi_memclr; # arm
+    __aeabi_memclr4; # arm
+    __aeabi_memclr8; # arm
+    __aeabi_memcpy; # arm
+    __aeabi_memcpy4; # arm
+    __aeabi_memcpy8; # arm
+    __aeabi_memmove; # arm
+    __aeabi_memmove4; # arm
+    __aeabi_memmove8; # arm
+    __aeabi_memset; # arm
+    __aeabi_memset4; # arm
+    __aeabi_memset8; # arm
     __fread_chk;
     __fwrite_chk;
     __getcwd_chk;
+    __gnu_Unwind_Find_exidx; # arm
     __pwrite_chk;
     __pwrite64_chk;
     __write_chk;