ANDROID: GKI: Export four symbols in file net/core/net-trace.c

step 1: export the follow symbols in file net/core/net-trace.c
EXPORT_TRACEPOINT_SYMBOL_GPL(net_dev_queue);
EXPORT_TRACEPOINT_SYMBOL_GPL(net_dev_xmit);
EXPORT_TRACEPOINT_SYMBOL_GPL(netif_receive_skb);
EXPORT_TRACEPOINT_SYMBOL_GPL(netif_rx);

step 2: update to symbol list, see link:
https://android-review.googlesource.com/c/kernel/common/+/2742633



Bug: 193384408

Change-Id: I5a247d04000289809db89b609ddaec9af33db041
Signed-off-by: Wei Liu <liuwei.a@oppo.com>