ANDROID: GKI: rockchip: Enable symbols for rk81x

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

1 Added variable:

  [A] 'class* power_supply_class'

Bug: 194515348
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Change-Id: I576b9d2ea7b62bd9c91257fa09ee8d2464634b58