Make the battery saver knobs hidden public,

so other components (system UI, settings, etc) can use them.

Bug: 68769804
Test: Build & presubmit
Change-Id: I30fe78e49d2187bee7c7aeba735cd9c26fc332a5
diff --git a/services/core/java/com/android/server/VibratorService.java b/services/core/java/com/android/server/VibratorService.java
index 8b79b9d..0e51fda 100644
--- a/services/core/java/com/android/server/VibratorService.java
+++ b/services/core/java/com/android/server/VibratorService.java
@@ -27,6 +27,7 @@
 import android.hardware.input.InputManager;
 import android.hardware.vibrator.V1_0.Constants.EffectStrength;
 import android.media.AudioManager;
+import android.os.PowerManager.ServiceType;
 import android.os.PowerSaveState;
 import android.os.BatteryStats;
 import android.os.Handler;
@@ -56,7 +57,6 @@
 import com.android.internal.app.IAppOpsService;
 import com.android.internal.app.IBatteryStats;
 import com.android.internal.util.DumpUtils;
-import com.android.server.power.BatterySaverPolicy.ServiceType;
 
 import java.io.FileDescriptor;
 import java.io.PrintWriter;