Revert "Add EBS interface to BatteryController"

Revert "Add Extreme Battery Saver behavior"

Revert submission 12248919-153940148

Reason for revert: b/162539418
Reverted Changes:
Ie6abbbb45:Add EBS interface to BatteryController
I60bd64e26:Add Extreme Battery Saver behavior

Bug: 162539418
Change-Id: If264b97788d57d97683cd11ad5607cbdebab118e

packages/SystemUI/src/com/android/systemui/qs/tiles/BatterySaverTile.java

@@ -130,7 +130,6 @@ public class BatterySaverTile extends QSTileImpl<BooleanState> implements
                 : mPowerSave ? Tile.STATE_ACTIVE : Tile.STATE_INACTIVE;
         state.icon = mIcon;
         state.label = mContext.getString(R.string.battery_detail_switch_title);
-        state.secondaryLabel = "";
         state.contentDescription = state.label;
         state.value = mPowerSave;
         state.expandedAccessibilityClassName = Switch.class.getName();

packages/SystemUI/src/com/android/systemui/settings/CurrentUserContentResolverProvider.kt

@@ -1,24 +0,0 @@
-/*
- * Copyright (C) 2020 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.systemui.settings
-
-import android.content.ContentResolver
-
-interface CurrentUserContentResolverProvider {
-
-    val currentUserContentResolver: ContentResolver
-}

packages/SystemUI/src/com/android/systemui/settings/CurrentUserContextTracker.kt

@@ -16,7 +16,6 @@
 
 package com.android.systemui.settings
 
-import android.content.ContentResolver
 import android.content.Context
 import android.os.UserHandle
 import androidx.annotation.VisibleForTesting
@@ -32,7 +31,7 @@ import java.lang.IllegalStateException
 class CurrentUserContextTracker internal constructor(
     private val sysuiContext: Context,
     broadcastDispatcher: BroadcastDispatcher
-) : CurrentUserContentResolverProvider {
+) {
     private val userTracker: CurrentUserTracker
     private var initialized = false
 
@@ -45,9 +44,6 @@ class CurrentUserContextTracker internal constructor(
             return _curUserContext!!
         }
 
-    override val currentUserContentResolver: ContentResolver
-        get() = currentUserContext.contentResolver
-
     init {
         userTracker = object : CurrentUserTracker(broadcastDispatcher) {
             override fun onUserSwitched(newUserId: Int) {
@@ -58,8 +54,8 @@ class CurrentUserContextTracker internal constructor(
 
     fun initialize() {
         initialized = true
-        userTracker.startTracking()
         _curUserContext = makeUserContext(userTracker.currentUserId)
+        userTracker.startTracking()
     }
 
     @VisibleForTesting

packages/SystemUI/src/com/android/systemui/settings/dagger/SettingsModule.java

@@ -19,12 +19,10 @@ package com.android.systemui.settings.dagger;
 import android.content.Context;
 
 import com.android.systemui.broadcast.BroadcastDispatcher;
-import com.android.systemui.settings.CurrentUserContentResolverProvider;
 import com.android.systemui.settings.CurrentUserContextTracker;
 
 import javax.inject.Singleton;
 
-import dagger.Binds;
 import dagger.Module;
 import dagger.Provides;
 
@@ -32,7 +30,7 @@ import dagger.Provides;
  * Dagger Module for classes found within the com.android.systemui.settings package.
  */
 @Module
-public abstract class SettingsModule {
+public interface SettingsModule {
 
     /**
      * Provides and initializes a CurrentUserContextTracker
@@ -47,9 +45,4 @@ public abstract class SettingsModule {
         tracker.initialize();
         return tracker;
     }
-
-    @Binds
-    @Singleton
-    abstract CurrentUserContentResolverProvider bindCurrentUserContentResolverTracker(
-            CurrentUserContextTracker tracker);
 }

packages/SystemUI/src/com/android/systemui/statusbar/policy/BatteryController.java

@@ -78,13 +78,6 @@ public interface BatteryController extends DemoMode, Dumpable,
      */
     default void setReverseState(boolean isReverse) {}
 
-    /**
-     * Returns {@code true} if extreme battery saver is on.
-     */
-    default boolean isExtremeSaverOn() {
-        return false;
-    }
-
     /**
      * A listener that will be notified whenever a change in battery level or power save mode has
      * occurred.
@@ -99,9 +92,6 @@ public interface BatteryController extends DemoMode, Dumpable,
 
         default void onReverseChanged(boolean isReverse, int level, String name) {
         }
-
-        default void onExtremeBatterySaverChanged(boolean isExtreme) {
-        }
     }
 
     /**