Update AndroidManifest.xml (#1)

according to https://developer.android.com/about/versions/12/behavior-changes-12#exported

to launch on projects targeted to Android 12

personalizatio-sdk/src/main/AndroidManifest.xml

@@ -8,7 +8,7 @@
 				android:name="com.google.firebase.messaging.default_notification_channel_id"
 				android:value="@string/notification_channel_id"/>
 
-		<service android:name="com.personalizatio.MessagingService">
+		<service android:exported="false" android:name="com.personalizatio.MessagingService">
 			<intent-filter>
 				<action android:name="com.google.firebase.MESSAGING_EVENT"/>
 			</intent-filter>