Use LOLLIPOP_MR1 in supports_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 fe69564aef5b4bd8f5fea852a8209be88bba0ad2..13e7d0ef58571b0698a3a183a1717eb48a39a875 100644
--- a/telemetry/telemetry/internal/platform/android_platform_backend.py
+++ b/telemetry/telemetry/internal/platform/android_platform_backend.py
@@ -531,7 +531,7 @@ class AndroidPlatformBackend(
   def supports_test_ca(self):
     # TODO(nednguyen): figure out how to install certificate on Android M
     # crbug.com/593152
-    return self._device.build_version_sdk <= version_codes.LOLLIPOP
+    return self._device.build_version_sdk <= version_codes.LOLLIPOP_MR1
 
   def InstallTestCa(self, ca_cert_path):
     """Install a randomly generated root CA on the android device.