[Telemetry] Increase timeout to collect trace to 60 seconds

telemetry/telemetry/internal/backends/chrome_inspector/tracing_backend.py

Index: telemetry/telemetry/internal/backends/chrome_inspector/tracing_backend.py
diff --git a/telemetry/telemetry/internal/backends/chrome_inspector/tracing_backend.py b/telemetry/telemetry/internal/backends/chrome_inspector/tracing_backend.py
index 058939e6ea7540baab399c75e7727a70299da8b7..8fde824e5c9f71d38fc1559ff3a358ab91cd4727 100644
--- a/telemetry/telemetry/internal/backends/chrome_inspector/tracing_backend.py
+++ b/telemetry/telemetry/internal/backends/chrome_inspector/tracing_backend.py
@@ -224,7 +224,7 @@ class TracingBackend(object):
     result = response['result']
     return result['dumpGuid'] if result['success'] else None
 
-  def CollectTraceData(self, trace_data_builder, timeout=30):
+  def CollectTraceData(self, trace_data_builder, timeout=60):
     if not self._can_collect_data:
       raise Exception('Cannot collect before tracing is finished.')
     self._CollectTracingData(trace_data_builder, timeout)