Fix legacy failed unit test for BatteryInfoLoader

fix the legacy failed test since the scale is different, setting the
testing value in ms scale (getBatteryTimeRemainingMs()), but getting
the data in us scale (info.remainingTimeUs)

Bug: 188244142
Test: make SettingsRoboTests
Change-Id: Ib389976985eb3741cc96e0ee4a3a000c7f690b37

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

@@ -230,7 +230,7 @@ public final class ConvertUtils {
                 if (selectedBatteryEntry == null) {
                     continue;
                 }
-                // Force refine the cumulative value since it may introduce deviation
+                // Forces refine the cumulative value since it may introduce deviation
                 // error since we will apply the interpolation arithmetic.
                 final float totalUsageTimeInMs =
                     foregroundUsageTimeInMs + backgroundUsageTimeInMs;