ANDROID: Update symbol list for mtk

1. Generated with:
  BUILD_CONFIG=common/build.config.gki.aarch64 build/build_abi.sh --update

Leaf changes summary: 4 artifacts changed
Changed leaf types summary: 0 leaf type changed
Removed/Changed/Added functions summary: 0 Removed, 0 Changed, 4 Added functions
Removed/Changed/Added variables summary: 0 Removed, 0 Changed, 0 Added variable

4 Added functions:

  [A] 'function int kill_pid(pid*, int, int)'
  [A] 'function bool kthread_freezable_should_stop(bool*)'
  [A] 'function int trace_set_clr_event(const char*, const char*, int)'
  [A] 'function int vsscanf(const char*, const char*, va_list)'

Bug: 208150815
Signed-off-by: Dean Chiang <dean.chiang@mediatek.com>
Change-Id: I6bcb80693292d7a158bffef92e345f85afac924e

android/abi_gki_aarch64_mtk

@@ -975,6 +975,7 @@
   kfree_skb
   kfree_skb_list
   kill_anon_super
+  kill_pid
   kimage_vaddr
   kimage_voffset
   __kmalloc
@@ -1022,6 +1023,7 @@
   kthread_destroy_worker
   kthread_flush_work
   kthread_flush_worker
+  kthread_freezable_should_stop
   __kthread_init_worker
   kthread_queue_delayed_work
   kthread_queue_work
@@ -2056,6 +2058,7 @@
   trace_raw_output_prep
   trace_seq_printf
   trace_seq_putc
+  trace_set_clr_event
   tracing_off
   try_wait_for_completion
   tty_flip_buffer_push
@@ -2370,6 +2373,7 @@
   vscnprintf
   vsnprintf
   vsprintf
+  vsscanf
   vunmap
   vzalloc
   wait_for_completion