Add framework for anomaly detection flags

This cl adds isAnomalyDetectorEnabled(type), which decides whether
to turn on specific check with that type.

Added method is used in AnomalyLoader.

Bug: 36924669
Test: RunSettingsRoboTests
Change-Id: I71c6acb1c58c24453a1936c5c36f59fe4e86cfd4

src/com/android/settings/fuelgauge/anomaly/Anomaly.java

@@ -45,6 +45,9 @@ public class Anomaly implements Parcelable {
         int FORCE_STOP = 0;
     }
 
+    @AnomalyType
+    public static final int[] ANOMALY_TYPE_LIST = {AnomalyType.WAKE_LOCK};
+
     /**
      * Type of this this anomaly
      */