[API Abuse - Text Consistency] Keep Messaging Message Style Spans

Bug: 313439845
Test: presubmit + compare before and after screenshot of each standard notifications by using spanned title, content, summary and action
Flag: ACONFIG android.app.Flags.clean_up_spans_and_new_lines DEVELOPMENT
Change-Id: I48d5d4c714fbf97f54cd3cb9383ffd45fc9b3d0d
1 file changed