ANDROID: sched: Add export symbols for sched features

Export symbols needed to implement vendor scheduler value-adds to modify
sched features dynamically at runtime, such as disabling TTWU_QUEUE.

Bug: 177050087
Change-Id: Ibe14d2019403be68b7ceeee47425b2473ccb51fe
Signed-off-by: Shaleen Agrawal <shalagra@codeaurora.org>

kernel/sched/debug.c

@@ -48,9 +48,10 @@ static unsigned long nsec_low(unsigned long long nsec)
 #define SCHED_FEAT(name, enabled)	\
 	#name ,
 
-static const char * const sched_feat_names[] = {
+const char * const sched_feat_names[] = {
 #include "features.h"
 };
+EXPORT_SYMBOL_GPL(sched_feat_names);
 
 #undef SCHED_FEAT