[Android] Add a custom pylintrc for build/android/.

build/android/pylib/device/commands/install_commands.py

Index: build/android/pylib/device/commands/install_commands.py
diff --git a/build/android/pylib/device/commands/install_commands.py b/build/android/pylib/device/commands/install_commands.py
index 58c56ccb1be2900515c8d848879600c4b98e8385..62f8cb9d3ef525a5eb6e70d43792cc051b96d2c2 100644
--- a/build/android/pylib/device/commands/install_commands.py
+++ b/build/android/pylib/device/commands/install_commands.py
@@ -4,6 +4,7 @@
 
 import os
 
+from devil.android import device_errors
 from pylib import constants
 
 BIN_DIR = '%s/bin' % constants.TEST_EXECUTABLE_DIR
@@ -27,14 +28,17 @@ def Installed(device):
 
 def InstallCommands(device):
   if device.IsUserBuild():
-    raise Exception('chromium_commands currently requires a userdebug build.')
+    raise device_errors.CommandFailedError(
+        'chromium_commands currently requires a userdebug build.',
+        device_serial=device.GetDeviceSerial())
 
   chromium_commands_jar_path = os.path.join(
       constants.GetOutDirectory(), constants.SDK_BUILD_JAVALIB_DIR,
       'chromium_commands.dex.jar')
   if not os.path.exists(chromium_commands_jar_path):
-    raise Exception('%s not found. Please build chromium_commands.'
-                    % chromium_commands_jar_path)
+    raise device_errors.CommandFailedError(
+        '%s not found. Please build chromium_commands.'
+        % chromium_commands_jar_path)
 
   device.RunShellCommand(['mkdir', BIN_DIR, _FRAMEWORK_DIR])
   for command, main_class in _COMMANDS.iteritems():