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/tests/servicestests/src/com/android/server/power/PowerManagerServiceTest.java b/services/tests/servicestests/src/com/android/server/power/PowerManagerServiceTest.java
index 4559660..b60d5bf 100644
--- a/services/tests/servicestests/src/com/android/server/power/PowerManagerServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/power/PowerManagerServiceTest.java
@@ -66,7 +66,7 @@
                 .setBrightnessFactor(BRIGHTNESS_FACTOR)
                 .build();
         when(mBatterySaverPolicy.getBatterySaverPolicy(
-                eq(BatterySaverPolicy.ServiceType.SCREEN_BRIGHTNESS), anyBoolean()))
+                eq(PowerManager.ServiceType.SCREEN_BRIGHTNESS), anyBoolean()))
                 .thenReturn(mPowerSaveState);
         mDisplayPowerRequest = new DisplayPowerRequest();
         mService = new PowerManagerService(getContext(), mBatterySaverPolicy);