tracing/filter: Change fold_pred_tree function to use walk_pred_tree
tracing/filter: Change fold_pred_tree function to use walk_pred_tree

Changing fold_pred_tree function to use unified predicates tree
processing.

Signed-off-by: Jiri Olsa <2c6594f608aa3d41e98d48846a6328831f7084ad@redhat.com>
Link: http://lkml.kernel.org/r/1313072754-4620-8-git-send-email-2c6594f608aa3d41e98d48846a6328831f7084ad@redhat.com
Signed-off-by: Steven Rostedt <43232e92d70cc7aa53504ad0397085ee47bad87f@goodmis.org>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs