[Android] Log exceptions thrown by newly converted DeviceUtils calls in telemetry.

tools/telemetry/telemetry/core/platform/profiler/perf_profiler.py

Index: tools/telemetry/telemetry/core/platform/profiler/perf_profiler.py
diff --git a/tools/telemetry/telemetry/core/platform/profiler/perf_profiler.py b/tools/telemetry/telemetry/core/platform/profiler/perf_profiler.py
index f0982e6bf8d53fd5e2c34f76d7cd012c8867bb18..cbc888783ffb57120e3bc1f17b3365a0462f6d12 100644
--- a/tools/telemetry/telemetry/core/platform/profiler/perf_profiler.py
+++ b/tools/telemetry/telemetry/core/platform/profiler/perf_profiler.py
@@ -128,7 +128,11 @@ Try rerunning this script under sudo or setting
                                   self._output_file)
     if self._is_android:
       device = self._browser_backend.adb.device()
-      device.PullFile(self._device_output_file, self._output_file)
+      try:
+        device.PullFile(self._device_output_file, self._output_file)
+      except:
+        logging.exception('New exception caused by DeviceUtils conversion')
+        raise
       required_libs = \
           android_profiling_helper.GetRequiredLibrariesForPerfProfile(
               self._output_file)