Add tools/android/memdump/.

tools/android/memdump/memdump.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': [
+    {
+      'target_name': 'memdump',
+      'type': 'executable',
+      'dependencies': [
+        '../../../base/base.gyp:base',
+      ],
+      'conditions': [
+        # Warning: A PIE tool cannot run on ICS 4.0.4, so only
+        #          build it as position-independent when ASAN
+        #          is activated. See b/6587214 for details.
+        [ 'asan==1', {
+          'cflags': [
+            '-fPIE',
+          ],
+          'ldflags': [
+            '-pie',
+          ],
+        }],
+      ],
+      'sources': [
+        'memdump.cc',
+      ],
+    },
+  ],
+}