Fix buffer overflow in trace_event_android.cc

base/trace_event/trace_event.gypi

 # Copyright 2015 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.
 {
   'variables': {
     'trace_event_sources' : [
       'trace_event/common/trace_event_common.h',
       'trace_event/heap_profiler_allocation_context.cc',
       'trace_event/heap_profiler_allocation_context.h',
       'trace_event/heap_profiler_allocation_context_tracker.cc',
@@ skipping 83 matching lines @@
         ],
       }],
       ['OS == "linux" or OS == "android"', {
           'trace_event_sources': [
             'trace_event/process_memory_maps_dump_provider.cc',
           ],
           'trace_event_test_sources' : [
             'trace_event/process_memory_maps_dump_provider_unittest.cc',
           ],
       }],
+      ['OS == "android"', {
+        'trace_event_test_sources' : [
+          'trace_event/trace_event_android_unittest.cc',
+        ],
+      }],
     ],
   },
 }