Add tracing/bin/strip_memory_infra_trace

tracing/bin/strip_memory_infra_trace

Index: tracing/bin/strip_memory_infra_trace
diff --git a/tracing/bin/merge_traces b/tracing/bin/strip_memory_infra_trace
similarity index 76%
copy from tracing/bin/merge_traces
copy to tracing/bin/strip_memory_infra_trace
index bce07dba316028001a00f649f90832893116b3a8..8bdc8375d75847ebb62ec39e9ec21721684ecdb6 100755
--- a/tracing/bin/merge_traces
+++ b/tracing/bin/strip_memory_infra_trace
@@ -9,5 +9,5 @@ import sys
 if __name__ == '__main__':
   tracing_path = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
   sys.path.append(tracing_path)
-  from tracing_build import merge_traces
-  sys.exit(merge_traces.Main(sys.argv))
+  from tracing_build import strip_memory_infra_trace
+  sys.exit(strip_memory_infra_trace.Main(sys.argv))