Add method to check whether to enable anomaly detection

Bug: 37709022
Test: RunSettingsGoogleRoboTests
Change-Id: Ie95b8899f0201d392ba06e4747a0d926d7474d68

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

@@ -57,4 +57,9 @@ public interface PowerUsageFeatureProvider {
      * Check whether the toggle for power accounting is enabled
      */
     boolean isPowerAccountingToggleEnabled();
+
+    /**
+     * Check whether the anomaly detection is enabled
+     */
+    boolean isAnomalyDetectionEnabled();
 }