Use SettingsLib's LayoutPreference

- Remove LayoutPreference in Settings source code.
- Remove unused style, layout
- Replace old imports to com.android.settingslib.widget.LayoutPreference
- Replace old XML tag to com.android.settingslib.widget.LayoutPreference

Test: robotest, manual test
Bug: 120005054
Change-Id: I9ae1ae14a16f443e11ac5d75b6038c7c5e253844
diff --git a/src/com/android/settings/accounts/RemoveAccountPreferenceController.java b/src/com/android/settings/accounts/RemoveAccountPreferenceController.java
index 9770332..06eddd3 100644
--- a/src/com/android/settings/accounts/RemoveAccountPreferenceController.java
+++ b/src/com/android/settings/accounts/RemoveAccountPreferenceController.java
@@ -39,13 +39,13 @@
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
-import com.android.settings.applications.LayoutPreference;
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
 import com.android.settingslib.RestrictedLockUtils;
 import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
 import com.android.settingslib.RestrictedLockUtilsInternal;
 import com.android.settingslib.core.AbstractPreferenceController;
+import com.android.settingslib.widget.LayoutPreference;
 
 import java.io.IOException;