Fix screen on count text dump

dischargeScreenOffCount already includes dischargeScreenDozeCount.
Original code deducted dischargeScreenDozeCount twice. This only affects
text dump in bugreport. Proto and checkin dump are not affected.
Test: manual
Fixes: 78187276

Change-Id: Id93465ca75a4a1078e8f280a38b74b696ec62dd2
diff --git a/core/java/android/os/BatteryStats.java b/core/java/android/os/BatteryStats.java
index 1d232bf..0b4b921 100644
--- a/core/java/android/os/BatteryStats.java
+++ b/core/java/android/os/BatteryStats.java
@@ -4447,8 +4447,7 @@
             pw.println(sb.toString());
         }
 
-        final long dischargeScreenOnCount =
-                dischargeCount - dischargeScreenOffCount - dischargeScreenDozeCount;
+        final long dischargeScreenOnCount = dischargeCount - dischargeScreenOffCount;
         if (dischargeScreenOnCount >= 0) {
             sb.setLength(0);
             sb.append(prefix);