Update power usage UI to follow WIFI data changes.

Now handles WIFI start times being distributed across applications,
and collapses all work done in WIFI uid procs (esp that supplicant
thing) into the apps and overall WIFI category.

Change-Id: I341e5d63c45eeb0fb4121beed62474d947f9de11

src/com/android/settings/fuelgauge/BatterySipper.java

@@ -45,8 +45,11 @@ class BatterySipper implements Comparable<BatterySipper> {
     long usageTime;
     long cpuTime;
     long gpsTime;
+    long wifiRunningTime;
     long cpuFgTime;
     long wakeLockTime;
+    long tcpBytesReceived;
+    long tcpBytesSent;
     double percent;
     double noCoveragePercent;
     String defaultPackageName;