Report real wifi running time in Power Details

Bug:21934412
Change-Id: Ic8623c8b424021f1af3d143d3b07398dd22091d6
diff --git a/src/com/android/settings/fuelgauge/PowerUsageDetail.java b/src/com/android/settings/fuelgauge/PowerUsageDetail.java
index 417a771..90781a0 100644
--- a/src/com/android/settings/fuelgauge/PowerUsageDetail.java
+++ b/src/com/android/settings/fuelgauge/PowerUsageDetail.java
@@ -198,7 +198,7 @@
                     R.string.usage_type_computed_power,
                 };
                 values = new double[] {
-                    entry.sipper.usageTimeMs,
+                    entry.sipper.wifiRunningTimeMs,
                     entry.sipper.cpuTimeMs,
                     entry.sipper.cpuFgTimeMs,
                     entry.sipper.wakeLockTimeMs,