ANDROID: Add send_sig_info to the reserved symbol list

Leaf changes summary: 1 artifact changed (1 filtered out)
Changed leaf types summary: 0 (1 filtered out) leaf type changed
Removed/Changed/Added functions summary: 0 Removed, 0 Changed, 1 Added function
Removed/Changed/Added variables summary: 0 Removed, 0 Changed, 0 Added variable

1 Added function:

  [A] 'function int send_sig_info(int, kernel_siginfo*, task_struct*)'

Bug: 188740210
Change-Id: I98e48535e2454663467aad18965b7634a615a06b
Signed-off-by: Howard Chen <howardsoc@google.com>