depot_tools: Add ehmaldonado to WATCHLISTS.

Change-Id: I086ebb327ca9ad3021c50bbc159867ea150daabd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/1898695Reviewed-by: Anthony Polito <apolito@google.com>
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>

WATCHLISTS

+# Copyright (c) 2019 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.
+
+# Watchlist Rules
+# Refer: http://dev.chromium.org/developers/contributing-code/watchlists
+
+{
+
+  'WATCHLIST_DEFINITIONS': {
+    'this_file': {
+      'filepath': '^WATCHLISTS$',
+    },
+    'depot_tools': {
+      'filepath': '.+',
+    },
+  },
+
+  'WATCHLISTS': {
+    'this_file': [],
+    'depot_tools': [
+      'ehmaldonado+depot_tools@google.com',
+    ],
+  },
+
+}