rmnet_core: APS hooks

Add APS pre-queue and post-queue hooks.

Change-Id: I22be34c2a6bad4119e74ab8146d80eb6439fc585
Signed-off-by: Weiyi Chen <quic_weiyic@quicinc.com>

core/rmnet_config.h

@@ -219,6 +219,7 @@ struct rmnet_priv {
 	struct gro_cells gro_cells;
 	struct rmnet_priv_stats stats;
 	void __rcu *qos_info;
+	char aps_cb[16];
 };
 
 enum rmnet_dl_marker_prio {