ANDROID: vendor_hooks: export tracepoint symbol trace_mm_vmscan_kswapd_wake

export tracepoint symbol trace_mm_vmscan_kswapd_wake so we can hook it in our ko
to capture some kswapd running info.

Bug: 309352303
Change-Id: Ieb37f544502f33e708dacda6cbb552792dfbbc6b
Signed-off-by: liwei <liwei1234@oppo.com>
Signed-off-by: huzhanyuan <huzhanyuan@oppo.com>
(cherry picked from commit 11b37da89a60fd354966af920f045068997d0741)

mm/vmscan.c

@@ -74,6 +74,8 @@
 #undef CREATE_TRACE_POINTS
 #include <trace/hooks/vmscan.h>
 
+EXPORT_TRACEPOINT_SYMBOL_GPL(mm_vmscan_kswapd_wake);
+
 struct scan_control {
 	/* How many pages shrink_list() should reclaim */
 	unsigned long nr_to_reclaim;