Purge unpinned ashmem before parsing /proc/$pid/smaps.

tools/android/android_tools.gyp

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'targets': [
     # Intermediate target grouping the android tools needed to run native
     # unittests and instrumentation test apks.
     {
       'target_name': 'android_tools',
       'type': 'none',
       'dependencies': [
+        'adb_reboot/adb_reboot.gyp:adb_reboot',
         'forwarder2/forwarder.gyp:forwarder2',
         'md5sum/md5sum.gyp:md5sum',
-        'adb_reboot/adb_reboot.gyp:adb_reboot',
+        'purge_ashmem/purge_ashmem.gyp:purge_ashmem',
       ],
     },
     {
       'target_name': 'memdump',
       'type': 'none',
       'dependencies': [
         'memdump/memdump.gyp:memdump',
       ],
     },
     {
       'target_name': 'memconsumer',
       'type': 'none',
       'dependencies': [
         'memconsumer/memconsumer.gyp:memconsumer',
       ],
     },
   ],
 }