RONs permissions - Show app name instead of package name

in guts demotion explanation.

Also update demotion explanation layout, and add call to
demotion coordinator.

Bug: 379186372
Test: atest SystemUiTests
Flag: com.android.systemui.permission_helper_inline_ui_rich_ongoing
Change-Id: I0f023a0e01c63686386b102f7c2a7fc6dcb3858f