Fix classification text overlap with toggle

For both lines of text:
- Bound text container by toggle
- Truncate TextView with ellipsis if the text is too long for available space

Fixes: 434625156
Test: visual
Flag: com.android.systemui.notification_bundle_ui

Change-Id: I0d89b05f563a14e3d7a5631af5dc818f512c5d6f