Also clear the foreground service usage time for BatteryDiffEntry should hide background usage time.

- Usage time in background is the sum{bg + fgs} usage time

Bug: 371919020
Fix: 371919020
Test: atest DataProcessorTest
Flag: EXEMPT for simple fix
Change-Id: I058d8511eac7510e2df6d9ac1713824cd8dbf3ba

src/com/android/settings/fuelgauge/batteryusage/BatteryDiffData.java

@@ -169,6 +169,7 @@ public class BatteryDiffData {
             }
             if (packageName != null && hideBackgroundUsageTimeSet.contains(packageName)) {
                 entry.mBackgroundUsageTimeInMs = 0;
+                entry.mForegroundServiceUsageTimeInMs = 0;
             }
         }
     }