Revert of [Telemetry] Pass test_runner environment in local args instead of a global variable

tools/telemetry/telemetry/core/environment.py

Index: tools/telemetry/telemetry/core/environment.py
diff --git a/tools/telemetry/telemetry/core/environment.py b/tools/telemetry/telemetry/core/environment.py
new file mode 100644
index 0000000000000000000000000000000000000000..3900682284d0a3ab8aa5f00ea542dd8021cd1c1e
--- /dev/null
+++ b/tools/telemetry/telemetry/core/environment.py
@@ -0,0 +1,20 @@
+# Copyright 2014 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.
+
+
+class Environment(object):
+  def __init__(self, base_paths, benchmark_aliases=None):
+    self._base_paths = base_paths
+    if benchmark_aliases:
+      self._benchmark_aliases = benchmark_aliases
+    else:
+      self._benchmark_aliases = {}
+
+  @property
+  def base_paths(self):
+    return self._base_paths
+
+  @property
+  def benchmark_aliases(self):
+    return self._benchmark_aliases