ANDROID: GKI: Add symbols to xiaomi symbol list

2 function symbol(s) added
  'int __traceiter_android_vh_page_private_mod(void*, struct page*, unsigned long)'
  'void set_page_private(struct page*, unsigned long)'

1 variable symbol(s) added
  'struct tracepoint __tracepoint_android_vh_page_private_mod'

Bug: 388723647
Bug: 389225080
Change-Id: I1c94caf5bf1411332abc6b12ce929e6c30e724ad
Signed-off-by: chunpeng li <lichunpeng@xiaomi.com>