[Android] Remove android_commands uses from build/android/.

build/android/pylib/device/device_filter.py

Index: build/android/pylib/device/device_filter.py
diff --git a/build/android/pylib/device/device_filter.py b/build/android/pylib/device/device_filter.py
new file mode 100644
index 0000000000000000000000000000000000000000..189a6198897bb1f04f066158258c3a126bffd6eb
--- /dev/null
+++ b/build/android/pylib/device/device_filter.py
@@ -0,0 +1,26 @@
+# 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.
+
+from pylib.device import device_blacklist
+from pylib.device import device_errors
+
+
+def DefaultFilters():
+  return [DeviceFilter, BlacklistFilter()]
+
+
+def BlacklistFilter():
+  blacklist = set(device_blacklist.ReadBlacklist())
+  def f(adb):
+    return adb.GetDeviceSerial() not in blacklist
+
+  return f
+
+
+def DeviceFilter(adb):
+  try:
+    return adb.GetState() == 'device'
+  except device_errors.CommandFailedError:
+    return False
+