ANDROID: GKI: Bulk update ABI XML representation

Leaf changes summary: 2 artifacts changed
Changed leaf types summary: 0 leaf type changed
Removed/Changed/Added functions summary: 0 Removed, 0 Changed, 2 Added functions
Removed/Changed/Added variables summary: 0 Removed, 0 Changed, 0 Added variable

2 Added functions:

  [A] 'function long int __ll_sc_atomic64_sub_return(long int, atomic64_t*)'
  [A] 'function int ptr_to_hashval(void*, unsigned long int*)'

Test: build
Bug: 150901210
Signed-off-by: Hridya Valsaraju <hridya@google.com>
Change-Id: I2b44f49c80d462d4f553c958475be3c0fb0965c9