ANDROID: qcom: Add net related symbol

Add netif_receive_skb_core which is needed by rmnet modules.

Leaf changes summary: 1 artifact changed
Changed leaf types summary: 0 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 netif_receive_skb_core(sk_buff*)'

Bug: 192384227
Change-Id: I5e3f564ec1a28c804c7017b37fc2e3ccf9eabb28
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>