Remove symbols which we did not expose before android-23

Even though platform libc for 19 has this symbols, android-21 and 22
do not export them - to preserve forward compatibility they were
removed from android-19:

clearerr_unlocked
feof_unlocked
ferror_unlocked
fileno_unlocked

Bug: http://b/28864994
Change-Id: I3dfd27ee82d8886bf5cf934bd426ef7c2f26ecfd
diff --git a/ndk/platforms/android-19/arch-arm/symbols/libc.so.functions.txt b/ndk/platforms/android-19/arch-arm/symbols/libc.so.functions.txt
index 1d9cd10..698fa8a 100644
--- a/ndk/platforms/android-19/arch-arm/symbols/libc.so.functions.txt
+++ b/ndk/platforms/android-19/arch-arm/symbols/libc.so.functions.txt
@@ -208,7 +208,6 @@
 chroot
 clearenv
 clearerr
-clearerr_unlocked
 clock
 clock_getres
 clock_gettime
@@ -269,9 +268,7 @@
 fdopen
 fdopendir
 feof
-feof_unlocked
 ferror
-ferror_unlocked
 fflush
 ffs
 fgetc
@@ -282,7 +279,6 @@
 fgetws
 fgetxattr
 fileno
-fileno_unlocked
 flistxattr
 flock
 flockfile
diff --git a/ndk/platforms/android-19/arch-arm/symbols/libc.so.versions.txt b/ndk/platforms/android-19/arch-arm/symbols/libc.so.versions.txt
index 63fac19..9f28703 100644
--- a/ndk/platforms/android-19/arch-arm/symbols/libc.so.versions.txt
+++ b/ndk/platforms/android-19/arch-arm/symbols/libc.so.versions.txt
@@ -206,7 +206,6 @@
     chroot;
     clearenv;
     clearerr;
-    clearerr_unlocked;
     clock;
     clock_getres;
     clock_gettime;
@@ -269,9 +268,7 @@
     fdopen;
     fdopendir;
     feof;
-    feof_unlocked;
     ferror;
-    ferror_unlocked;
     fflush;
     ffs;
     fgetc;
@@ -282,7 +279,6 @@
     fgetws;
     fgetxattr;
     fileno;
-    fileno_unlocked;
     flistxattr;
     flock;
     flockfile;
diff --git a/ndk/platforms/android-19/arch-mips/symbols/libc.so.functions.txt b/ndk/platforms/android-19/arch-mips/symbols/libc.so.functions.txt
index 01c0354..acaad10 100644
--- a/ndk/platforms/android-19/arch-mips/symbols/libc.so.functions.txt
+++ b/ndk/platforms/android-19/arch-mips/symbols/libc.so.functions.txt
@@ -191,7 +191,6 @@
 chroot
 clearenv
 clearerr
-clearerr_unlocked
 clock
 clock_getres
 clock_gettime
@@ -252,9 +251,7 @@
 fdopen
 fdopendir
 feof
-feof_unlocked
 ferror
-ferror_unlocked
 fflush
 ffs
 fgetc
@@ -265,7 +262,6 @@
 fgetws
 fgetxattr
 fileno
-fileno_unlocked
 flistxattr
 flock
 flockfile
diff --git a/ndk/platforms/android-19/arch-mips/symbols/libc.so.versions.txt b/ndk/platforms/android-19/arch-mips/symbols/libc.so.versions.txt
index 55849a1..fc5d97e 100644
--- a/ndk/platforms/android-19/arch-mips/symbols/libc.so.versions.txt
+++ b/ndk/platforms/android-19/arch-mips/symbols/libc.so.versions.txt
@@ -203,7 +203,6 @@
     chroot;
     clearenv;
     clearerr;
-    clearerr_unlocked;
     clock;
     clock_getres;
     clock_gettime;
@@ -266,9 +265,7 @@
     fdopen;
     fdopendir;
     feof;
-    feof_unlocked;
     ferror;
-    ferror_unlocked;
     fflush;
     ffs;
     fgetc;
@@ -279,7 +276,6 @@
     fgetws;
     fgetxattr;
     fileno;
-    fileno_unlocked;
     flistxattr;
     flock;
     flockfile;
diff --git a/ndk/platforms/android-19/arch-x86/symbols/libc.so.functions.txt b/ndk/platforms/android-19/arch-x86/symbols/libc.so.functions.txt
index 5e46699..931032d 100644
--- a/ndk/platforms/android-19/arch-x86/symbols/libc.so.functions.txt
+++ b/ndk/platforms/android-19/arch-x86/symbols/libc.so.functions.txt
@@ -189,7 +189,6 @@
 chroot
 clearenv
 clearerr
-clearerr_unlocked
 clock
 clock_getres
 clock_gettime
@@ -250,9 +249,7 @@
 fdopen
 fdopendir
 feof
-feof_unlocked
 ferror
-ferror_unlocked
 fflush
 ffs
 fgetc
@@ -263,7 +260,6 @@
 fgetws
 fgetxattr
 fileno
-fileno_unlocked
 flistxattr
 flock
 flockfile
diff --git a/ndk/platforms/android-19/arch-x86/symbols/libc.so.versions.txt b/ndk/platforms/android-19/arch-x86/symbols/libc.so.versions.txt
index 56bf688..b4c209d 100644
--- a/ndk/platforms/android-19/arch-x86/symbols/libc.so.versions.txt
+++ b/ndk/platforms/android-19/arch-x86/symbols/libc.so.versions.txt
@@ -201,7 +201,6 @@
     chroot;
     clearenv;
     clearerr;
-    clearerr_unlocked;
     clock;
     clock_getres;
     clock_gettime;
@@ -264,9 +263,7 @@
     fdopen;
     fdopendir;
     feof;
-    feof_unlocked;
     ferror;
-    ferror_unlocked;
     fflush;
     ffs;
     fgetc;
@@ -277,7 +274,6 @@
     fgetws;
     fgetxattr;
     fileno;
-    fileno_unlocked;
     flistxattr;
     flock;
     flockfile;