Change wifiScanActualTime csv from usec to msec

The wifi scan actual time is desired (in the batterystats.proto) to be
in msec instead of usec. It makes more sense to therefore output the
value in msec rather than convert it when it gets read into the proto.

Bug: 35677312
Test: runtest -x
frameworks/base/core/tests/coretests/src/com/android/internal/os/BatteryStatsTests.java

Change-Id: I22fce69b6faecd00f79837369344e04b426a1c33
diff --git a/core/java/android/os/BatteryStats.java b/core/java/android/os/BatteryStats.java
index dd11f68..51df9c1 100644
--- a/core/java/android/os/BatteryStats.java
+++ b/core/java/android/os/BatteryStats.java
@@ -3303,16 +3303,17 @@
             final int wifiScanCount = u.getWifiScanCount(which);
             final int wifiScanCountBg = u.getWifiScanBackgroundCount(which);
             // Note that 'ActualTime' are unpooled and always since reset (regardless of 'which')
-            final long wifiScanActualTime = u.getWifiScanActualTime(rawRealtime);
-            final long wifiScanActualTimeBg = u.getWifiScanBackgroundTime(rawRealtime);
+            final long wifiScanActualTimeMs = (u.getWifiScanActualTime(rawRealtime) + 500) / 1000;
+            final long wifiScanActualTimeMsBg = (u.getWifiScanBackgroundTime(rawRealtime) + 500)
+                    / 1000;
             final long uidWifiRunningTime = u.getWifiRunningTime(rawRealtime, which);
             if (fullWifiLockOnTime != 0 || wifiScanTime != 0 || wifiScanCount != 0
-                    || wifiScanCountBg != 0 || wifiScanActualTime != 0 || wifiScanActualTimeBg != 0
-                    || uidWifiRunningTime != 0) {
+                    || wifiScanCountBg != 0 || wifiScanActualTimeMs != 0
+                    || wifiScanActualTimeMsBg != 0 || uidWifiRunningTime != 0) {
                 dumpLine(pw, uid, category, WIFI_DATA, fullWifiLockOnTime, wifiScanTime,
                         uidWifiRunningTime, wifiScanCount,
                         /* legacy fields follow, keep at 0 */ 0, 0, 0,
-                        wifiScanCountBg, wifiScanActualTime, wifiScanActualTimeBg);
+                        wifiScanCountBg, wifiScanActualTimeMs, wifiScanActualTimeMsBg);
             }
 
             dumpControllerActivityLine(pw, uid, category, WIFI_CONTROLLER_DATA,