Mark LIBC_DEPRECATED as platform-only.

These symbols should not be exposed in the NDK.

Test: make native
Bug: None
Change-Id: I660ddce6d67bfdac029e31ef8dde2985fd4b1de5
diff --git a/libm/libm.arm.map b/libm/libm.arm.map
index 3052f03..7e3175d 100644
--- a/libm/libm.arm.map
+++ b/libm/libm.arm.map
@@ -295,7 +295,7 @@
     ctanl;
 } LIBC;
 
-LIBC_DEPRECATED { # arm mips
+LIBC_DEPRECATED { # arm mips platform-only
   global: # arm mips
     ___Unwind_Backtrace; # arm
     ___Unwind_ForcedUnwind; # arm
diff --git a/libm/libm.map.txt b/libm/libm.map.txt
index c77e1d1..1fb16b7 100644
--- a/libm/libm.map.txt
+++ b/libm/libm.map.txt
@@ -294,7 +294,7 @@
     ctanl;
 } LIBC;
 
-LIBC_DEPRECATED { # arm mips
+LIBC_DEPRECATED { # arm mips platform-only
   global: # arm mips
     ___Unwind_Backtrace; # arm
     ___Unwind_ForcedUnwind; # arm
diff --git a/libm/libm.mips.map b/libm/libm.mips.map
index 2f01cfa..b368d41 100644
--- a/libm/libm.mips.map
+++ b/libm/libm.mips.map
@@ -295,7 +295,7 @@
     ctanl;
 } LIBC;
 
-LIBC_DEPRECATED { # arm mips
+LIBC_DEPRECATED { # arm mips platform-only
   global: # arm mips
     __fixdfdi; # arm mips
     __fixsfdi; # arm mips