[Telemetry] Enable import-error, bad-indentation, bad-whitespace lint check.

tools/telemetry/telemetry/core/platform/posix_platform_backend_unittest.py

Index: tools/telemetry/telemetry/core/platform/posix_platform_backend_unittest.py
diff --git a/tools/telemetry/telemetry/core/platform/posix_platform_backend_unittest.py b/tools/telemetry/telemetry/core/platform/posix_platform_backend_unittest.py
index 841e68f49eeebd5cb774dde3369fd1b1725592c1..e6c7afb9f642a2d36a256c478564e389dbae9948 100644
--- a/tools/telemetry/telemetry/core/platform/posix_platform_backend_unittest.py
+++ b/tools/telemetry/telemetry/core/platform/posix_platform_backend_unittest.py
@@ -57,24 +57,24 @@ class PosixPlatformBackendTest(unittest.TestCase):
         posix_platform_backend._BinaryExistsInSudoersFiles(binary_path, ''))
     self.assertFalse(
         posix_platform_backend._BinaryExistsInSudoersFiles(
-            binary_path,'    (ALL) ALL'))
+            binary_path, '    (ALL) ALL'))
     self.assertFalse(
         posix_platform_backend._BinaryExistsInSudoersFiles(
-            binary_path,'     (root) NOPASSWD: /usr/bin/pkill_DUMMY'))
+            binary_path, '     (root) NOPASSWD: /usr/bin/pkill_DUMMY'))
     self.assertFalse(
         posix_platform_backend._BinaryExistsInSudoersFiles(
-            binary_path,'     (root) NOPASSWD: pkill'))
+            binary_path, '     (root) NOPASSWD: pkill'))
 
 
     self.assertTrue(
         posix_platform_backend._BinaryExistsInSudoersFiles(
-            binary_path,'(root) NOPASSWD: /usr/bin/pkill'))
+            binary_path, '(root) NOPASSWD: /usr/bin/pkill'))
     self.assertTrue(
         posix_platform_backend._BinaryExistsInSudoersFiles(
-            binary_path,'     (root) NOPASSWD: /usr/bin/pkill'))
+            binary_path, '     (root) NOPASSWD: /usr/bin/pkill'))
     self.assertTrue(
         posix_platform_backend._BinaryExistsInSudoersFiles(
-            binary_path,'     (root) NOPASSWD: /usr/bin/pkill arg1 arg2'))
+            binary_path, '     (root) NOPASSWD: /usr/bin/pkill arg1 arg2'))
 
   @decorators.Enabled('linux', 'mac')
   def testIsApplicationRunning(self):