ANDROID: GKI: update symbol list for exynos

Leaf changes summary: 3 artifacts changed
Changed leaf types summary: 0 leaf type changed
Removed/Changed/Added functions summary: 0 Removed, 0 Changed, 3 Added functions
Removed/Changed/Added variables summary: 0 Removed, 0 Changed, 0 Added variable

3 Added functions:

  [A] 'function void copy_highpage(page*, page*)'
  [A] 'function void ttm_bo_unmap_virtual(ttm_buffer_object*)'
  [A] 'function int ttm_bo_wait(ttm_buffer_object*, bool, bool)'

Bug: 286912592

Change-Id: I97371458327427fffef390154f817149a3120cbd
Signed-off-by: Kyongho Cho <pullip.cho@samsung.com>