shill: Bump Network.Shill.*.TimeToInitialize to 30 seconds.

BUG=chromium-os:38086
TEST=Unit tests

Change-Id: I71c9639f774e2e3cbea3e1eada05b4d0329b75cb
Reviewed-on: https://gerrit.chromium.org/gerrit/41897
Reviewed-by: Ben Chan <benchan@chromium.org>
Commit-Queue: Thieu Le <thieule@chromium.org>
Tested-by: Thieu Le <thieule@chromium.org>
diff --git a/metrics.cc b/metrics.cc
index ef9d118..688a150 100644
--- a/metrics.cc
+++ b/metrics.cc
@@ -73,9 +73,10 @@
 
 const char Metrics::kMetricTimeToInitializeMilliseconds[] =
     "Network.Shill.%s.TimeToInitialize";
-const int Metrics::kMetricTimeToInitializeMillisecondsMax = 20 * 1000;
+const int Metrics::kMetricTimeToInitializeMillisecondsMax =
+    30 * 1000;  // 30 seconds
 const int Metrics::kMetricTimeToInitializeMillisecondsMin = 1;
-const int Metrics::kMetricTimeToInitializeMillisecondsNumBuckets = 20;
+const int Metrics::kMetricTimeToInitializeMillisecondsNumBuckets = 30;
 
 const char Metrics::kMetricTimeResumeToReadyMilliseconds[] =
     "Network.Shill.%s.TimeResumeToReady";