Remove new set of LIBC_PRIVATE symbols from libc

Bug: http://b/26234924
Change-Id: If0acb2105c75bf9e6dd97230391f3944157990ae

ndk/platforms/android-21/arch-x86/symbols/libc.so.functions.txt

@@ -98,7 +98,6 @@ __ppoll
 __pselect6
 __pthread_cleanup_pop
 __pthread_cleanup_push
-__pthread_gettid
 __ptrace
 __putlong
 __putshort
@@ -134,7 +133,6 @@ __sched_cpualloc
 __sched_cpucount
 __sched_cpufree
 __sched_getaffinity
-__set_errno
 __set_thread_area
 __set_tid_address
 __sigaction
@@ -205,9 +203,7 @@ android_gethostbyaddrfornet
 android_gethostbynamefornet
 android_set_abort_message
 arc4random
-arc4random_addrandom
 arc4random_buf
-arc4random_stir
 arc4random_uniform
 asctime
 asctime64
@@ -221,11 +217,9 @@ atol
 atoll
 basename
 basename_r
-bcopy
 bind
 bindresvport
 brk
-bsd_signal
 bsearch
 btowc
 bzero
@@ -277,7 +271,6 @@ dup2
 dup3
 duplocale
 endmntent
-endpwent
 endservent
 endutent
 epoll_create
@@ -316,7 +309,6 @@ fcntl
 fdatasync
 fdopen
 fdopendir
-fdprintf
 feof
 ferror
 fflush
@@ -364,7 +356,6 @@ fstatvfs64
 fsync
 ftell
 ftello
-ftime
 ftok
 ftruncate
 ftruncate64
@@ -392,8 +383,6 @@ getchar
 getchar_unlocked
 getcwd
 getdelim
-getdents
-getdtablesize
 getegid
 getenv
 geteuid
@@ -466,7 +455,6 @@ if_indextoname
 if_nametoindex
 imaxabs
 imaxdiv
-index
 inet_addr
 inet_aton
 inet_lnaof
@@ -519,7 +507,6 @@ isprint
 isprint_l
 ispunct
 ispunct_l
-issetugid
 isspace
 isspace_l
 isupper
@@ -605,7 +592,6 @@ memmem
 memmove
 memrchr
 memset
-memswap
 mincore
 mkdir
 mkdirat
@@ -679,7 +665,6 @@ pthread_attr_getschedparam
 pthread_attr_getschedpolicy
 pthread_attr_getscope
 pthread_attr_getstack
-pthread_attr_getstackaddr
 pthread_attr_getstacksize
 pthread_attr_init
 pthread_attr_setdetachstate
@@ -688,7 +673,6 @@ pthread_attr_setschedparam
 pthread_attr_setschedpolicy
 pthread_attr_setscope
 pthread_attr_setstack
-pthread_attr_setstackaddr
 pthread_attr_setstacksize
 pthread_cond_broadcast
 pthread_cond_destroy
@@ -933,8 +917,6 @@ strncmp
 strncpy
 strndup
 strnlen
-strntoimax
-strntoumax
 strpbrk
 strptime
 strrchr
@@ -953,7 +935,6 @@ strtold_l
 strtoll
 strtoll_l
 strtoq
-strtotimeval
 strtoul
 strtoull
 strtoull_l
@@ -973,7 +954,6 @@ sysconf
 sysinfo
 syslog
 system
-sysv_signal
 tcdrain
 tcflow
 tcflush
@@ -1003,7 +983,6 @@ timerfd_create
 timerfd_gettime
 timerfd_settime
 times
-tkill
 tmpfile
 tmpnam
 toascii
@@ -1044,7 +1023,6 @@ vasprintf
 vdprintf
 verr
 verrx
-vfdprintf
 vfork
 vfprintf
 vfscanf
@@ -1064,7 +1042,6 @@ vwarnx
 vwprintf
 vwscanf
 wait
-wait3
 wait4
 waitid
 waitpid
@@ -1111,7 +1088,6 @@ wcstoul
 wcstoull
 wcstoull_l
 wcstoumax
-wcswcs
 wcswidth
 wcsxfrm
 wcsxfrm_l