[RONs] Fix over-restrictive requirement in promotion logic.

We were checking that a notification met existing colorized requirements before making it promoted, which was too restrictive. It needs to just check that the app requested to be colorized.

Change-Id: I6202e0c10f7481ef88656d154b7b3a57aac2ebd7
Flag: android.app.ui_rich_ongoing
Bug: 379335139
Test: atest NotificationTest
Test: atest NotificationManagerServiceTest