Add new parameter for creation of MapInfo object.

Bug: 109657296

Test: Unit tests that passed before, pass now.
Change-Id: I85e42834a8fbebb18a479dbd686ac10af9a2e369
diff --git a/src/profiling/memory/unwinding.cc b/src/profiling/memory/unwinding.cc
index 8ed2780..f43743b 100644
--- a/src/profiling/memory/unwinding.cc
+++ b/src/profiling/memory/unwinding.cc
@@ -145,7 +145,7 @@
           flags |= unwindstack::MAPS_FLAGS_DEVICE_MAP;
         }
         maps_.push_back(
-            new unwindstack::MapInfo(start, end, pgoff, flags, name));
+            new unwindstack::MapInfo(nullptr, start, end, pgoff, flags, name));
       });
 }