Clat dump information improvement

This is a followup commit for aosp/2017317.

1. Reorder the NAT464 information in dumpsys connectivity
2. Reword message when clat not started

Bug: 212345928
Test: dumpsys connectivity
Change-Id: I31c7066787dc7db8e5fe225f3918368b25bb7f5e
2 files changed