Merge "Unchecked battery saver switch once it's 1st launch" into tm-dev am: 55aba46fe9

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/17707388

Change-Id: I748241f2dc580bd910c9455ad15821bbdd455a32
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

src/com/android/settings/fuelgauge/batterysaver/BatterySaverButtonPreferenceController.java

@@ -22,6 +22,7 @@ import android.net.Uri;
 import android.os.Handler;
 import android.os.Looper;
 import android.os.PowerManager;
+import android.provider.Settings;
 import android.provider.SettingsSlicesContract;
 import android.widget.Switch;
 
@@ -101,6 +102,11 @@ public class BatterySaverButtonPreferenceController extends
 
     @Override
     public void onSwitchChanged(Switch switchView, boolean isChecked) {
+        // Cancel preference's check state once it's first time launch
+        if (isChecked && (Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.LOW_POWER_WARNING_ACKNOWLEDGED, 0) == 0)) {
+            mPreference.setChecked(false);
+        }
         setChecked(isChecked);
     }