Parts: expose toggle for disabling trust alerts

Change-Id: I088d5ce8799ba60a63d720f95fcfd483d49d0f16
Signed-off-by: Joey <joey@lineageos.org>
diff --git a/res/xml/trust_preferences.xml b/res/xml/trust_preferences.xml
index 2afae69..cf65f6e 100644
--- a/res/xml/trust_preferences.xml
+++ b/res/xml/trust_preferences.xml
@@ -56,5 +56,15 @@
             android:entryValues="@array/sms_security_check_limit_values"
             android:summary="@string/sms_security_check_limit_summary"
             android:title="@string/sms_security_check_limit_title" />
+        </PreferenceCategory>
+
+        <PreferenceCategory
+            android:key="trust_category_alerts">
+
+        <lineageos.preference.LineageSecureSettingSwitchPreference
+            android:key="trust_notifications"
+            android:title="@string/trust_notification_alerts_title"
+            android:summary="@string/trust_notifications_alerts_summary"
+            android:defaultValue="true" />
     </PreferenceCategory>
 </PreferenceScreen>