[test] Refactoring - Let runner handle test IDs.

tools/testrunner/network/network_execution.py

Index: tools/testrunner/network/network_execution.py
diff --git a/tools/testrunner/network/network_execution.py b/tools/testrunner/network/network_execution.py
index a43a6cfdedfc1b282165ba53eb1991006333e339..c842aba579c4ddb16d8be20091b7292c9bb7d230 100644
--- a/tools/testrunner/network/network_execution.py
+++ b/tools/testrunner/network/network_execution.py
@@ -52,7 +52,6 @@ def GetPeers():
 class NetworkedRunner(execution.Runner):
   def __init__(self, suites, progress_indicator, context, peers, workspace):
     self.suites = suites
-    num_tests = 0
     datapath = os.path.join("out", "testrunner_data")
     # TODO(machenbach): These fields should exist now in the superclass.
     # But there is no super constructor call. Check if this is a problem.
@@ -61,8 +60,7 @@ class NetworkedRunner(execution.Runner):
     for s in suites:
       for t in s.tests:
         t.duration = self.perfdata.FetchPerfData(t) or 1.0
-      num_tests += len(s.tests)
-    self._CommonInit(num_tests, progress_indicator, context)
+    self._CommonInit(suites, progress_indicator, context)
     self.tests = []  # Only used if we need to fall back to local execution.
     self.tests_lock = threading.Lock()
     self.peers = peers