Add a Settings value to store extra battery saver state

- Store extra battery saver enable state
 - Store extra battery saver first time warning

Bug: 260380584
Test: Build pass and local access verify, pass atest
Change-Id: I9b324c2ecd984db3b1d8ec49cbe7d19efbe6d240

core/java/android/provider/Settings.java

@@ -10783,6 +10783,15 @@ public final class Settings {
         public static final String LOW_POWER_WARNING_ACKNOWLEDGED =
                 "low_power_warning_acknowledged";
 
+        /**
+         * Whether the "first time extra battery saver warning" dialog needs to be shown
+         * (0: default) or not (1).
+         *
+         * @hide
+         */
+        public static final String EXTRA_LOW_POWER_WARNING_ACKNOWLEDGED =
+                "extra_low_power_warning_acknowledged";
+
         /**
          * 0 (default) Auto battery saver suggestion has not been suppressed. 1) it has been
          * suppressed.
@@ -15198,6 +15207,12 @@ public final class Settings {
         @Readable
         public static final String LOW_POWER_MODE = "low_power";
 
+        /**
+         * If 1 extra low power mode is enabled.
+         * @hide
+         */
+        public static final String EXTRA_LOW_POWER_MODE = "extra_low_power";
+
         /**
          * If 1, battery saver ({@link #LOW_POWER_MODE}) will be re-activated after the device
          * is unplugged from a charger or rebooted.

packages/SettingsProvider/src/android/provider/settings/backup/SecureSettings.java

@@ -142,6 +142,8 @@ public class SecureSettings {
         Settings.Secure.SHOW_FIRST_CRASH_DIALOG_DEV_OPTION,
         Settings.Secure.VOLUME_HUSH_GESTURE,
         Settings.Secure.MANUAL_RINGER_TOGGLE_COUNT,
+        Settings.Secure.LOW_POWER_WARNING_ACKNOWLEDGED,
+        Settings.Secure.EXTRA_LOW_POWER_WARNING_ACKNOWLEDGED,
         Settings.Secure.HUSH_GESTURE_USED,
         Settings.Secure.IN_CALL_NOTIFICATION_ENABLED,
         Settings.Secure.LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS,

packages/SettingsProvider/src/android/provider/settings/validators/SecureSettingsValidators.java

@@ -219,6 +219,8 @@ public class SecureSettingsValidators {
                 COLON_SEPARATED_PACKAGE_LIST_VALIDATOR); // legacy restore setting
         VALIDATORS.put(Secure.HUSH_GESTURE_USED, BOOLEAN_VALIDATOR);
         VALIDATORS.put(Secure.MANUAL_RINGER_TOGGLE_COUNT, NON_NEGATIVE_INTEGER_VALIDATOR);
+        VALIDATORS.put(Secure.LOW_POWER_WARNING_ACKNOWLEDGED, BOOLEAN_VALIDATOR);
+        VALIDATORS.put(Secure.EXTRA_LOW_POWER_WARNING_ACKNOWLEDGED, BOOLEAN_VALIDATOR);
         VALIDATORS.put(Secure.IN_CALL_NOTIFICATION_ENABLED, BOOLEAN_VALIDATOR);
         VALIDATORS.put(Secure.LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, BOOLEAN_VALIDATOR);
         VALIDATORS.put(Secure.LOCK_SCREEN_SHOW_NOTIFICATIONS, BOOLEAN_VALIDATOR);

packages/SettingsProvider/test/src/android/provider/SettingsBackupTest.java

@@ -322,6 +322,7 @@ public class SettingsBackupTest {
                     Settings.Global.LOW_BATTERY_SOUND,
                     Settings.Global.LOW_BATTERY_SOUND_TIMEOUT,
                     Settings.Global.LOW_POWER_MODE,
+                    Settings.Global.EXTRA_LOW_POWER_MODE,
                     Settings.Global.LOW_POWER_MODE_TRIGGER_LEVEL_MAX,
                     Settings.Global.LOW_POWER_MODE_STICKY,
                     Settings.Global.LOW_POWER_MODE_SUGGESTION_PARAMS,
@@ -800,7 +801,6 @@ public class SettingsBackupTest {
                  Settings.Secure.PARENTAL_CONTROL_REDIRECT_URL,
                  Settings.Secure.BLUETOOTH_ON_WHILE_DRIVING,
                  Settings.Secure.LOW_POWER_MANUAL_ACTIVATION_COUNT,
-                 Settings.Secure.LOW_POWER_WARNING_ACKNOWLEDGED,
                  Settings.Secure.SUPPRESS_AUTO_BATTERY_SAVER_SUGGESTION,
                  Settings.Secure.PACKAGES_TO_CLEAR_DATA_BEFORE_FULL_RESTORE,
                  Settings.Secure.FLASHLIGHT_AVAILABLE,