tp: Find previous runnable slice on thread.

Change-Id: I221972530cb1923e3772c35e9133c93d1b982ee0
diff --git a/Android.bp b/Android.bp
index 722da60..9734948 100644
--- a/Android.bp
+++ b/Android.bp
@@ -12369,6 +12369,7 @@
         "src/trace_processor/perfetto_sql/stdlib/prelude/casts.sql",
         "src/trace_processor/perfetto_sql/stdlib/prelude/slices.sql",
         "src/trace_processor/perfetto_sql/stdlib/prelude/trace_bounds.sql",
+        "src/trace_processor/perfetto_sql/stdlib/sched/runnable.sql",
         "src/trace_processor/perfetto_sql/stdlib/sched/states.sql",
         "src/trace_processor/perfetto_sql/stdlib/sched/thread_executing_span.sql",
         "src/trace_processor/perfetto_sql/stdlib/sched/thread_level_parallelism.sql",