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

build/android/devil/android/battery_utils.py

Index: build/android/devil/android/battery_utils.py
diff --git a/build/android/devil/android/battery_utils.py b/build/android/devil/android/battery_utils.py
index 3d27db2652d28a177b317cf1612d025467046406..5d5f19de2d5e4f2ac0bb083340d2b2c316be96db 100644
--- a/build/android/devil/android/battery_utils.py
+++ b/build/android/devil/android/battery_utils.py
@@ -16,7 +16,6 @@ from devil.android import device_errors
 from devil.android import device_utils
 from devil.android.sdk import version_codes
 from devil.utils import timeout_retry
-from pylib import constants
 
 _DEFAULT_TIMEOUT = 30
 _DEFAULT_RETRIES = 3
@@ -424,7 +423,7 @@ class BatteryUtils(object):
     Raises:
       device_errors.DeviceVersionError: If device is not L or higher.
     """
-    if (self._device.build_version_sdk < version_codes.LOLLIPOP):
+    if self._device.build_version_sdk < version_codes.LOLLIPOP:
       raise device_errors.DeviceVersionError('Device must be L or higher.')
     try:
       self.DisableBatteryUpdates(timeout=timeout, retries=retries)
@@ -583,7 +582,7 @@ class BatteryUtils(object):
       device_errors.DeviceVersionError: If power clearing is supported,
         but fails.
     """
-    if (self._device.build_version_sdk < version_codes.LOLLIPOP):
+    if self._device.build_version_sdk < version_codes.LOLLIPOP:
       logging.warning('Dumpsys power data only available on 5.0 and above. '
                       'Cannot clear power data.')
       return False