WIP to install test CA

telemetry/telemetry/internal/platform/android_platform_backend.py

Index: telemetry/telemetry/internal/platform/android_platform_backend.py
diff --git a/telemetry/telemetry/internal/platform/android_platform_backend.py b/telemetry/telemetry/internal/platform/android_platform_backend.py
index 2f0def7dae8839171ab50746e69fc37ade437282..d47413c3245539f07e352c45e927a749ad2c0795 100644
--- a/telemetry/telemetry/internal/platform/android_platform_backend.py
+++ b/telemetry/telemetry/internal/platform/android_platform_backend.py
@@ -561,6 +561,7 @@ class AndroidPlatformBackend(
     Note: If this method fails with any exception, then RemoveTestCa will be
     automatically called by the network_controller_backend.
     """
+
     if self._device_cert_util is not None:
       logging.warning('Test certificate authority is already installed.')
       return