ANDROID: Add vendor hooks when syscall prctl finished

Add vendor hook when syscall prctl finished for vendor-specific tuning.

Bug: 181819699

Signed-off-by: Frankie Chang <frankie.chang@mediatek.com>
Change-Id: Ica42d80ab4b540045330e9c5b211e0e814eed0ff
(cherry picked from commit d150b26653e7a3d15383a09384aace140b537ff4)

kernel/sys.c

@@ -76,6 +76,8 @@
 
 #include "uid16.h"
 
+#include <trace/hooks/sys.h>
+
 #ifndef SET_UNALIGN_CTL
 # define SET_UNALIGN_CTL(a, b)	(-EINVAL)
 #endif
@@ -2686,6 +2688,7 @@ SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3,
 		error = -EINVAL;
 		break;
 	}
+	trace_android_vh_syscall_prctl_finished(option, me);
 	return error;
 }