Add "Add network" button in Internet detailed view

Adds the "Add network" button in internet detailed view in quick
settings. Clicking on that will invoke WiFi configuration dialog.

Demo: https://drive.google.com/file/d/1o147dj3id3f2o7rtd1G0a85b4ZwdCGns/view?usp=sharing&resourcekey=0-w_SBtaiZyDiN7dDDJh5whg

Bug: 408503550
Flag: com.android.systemui.qs_wifi_config
Test: atest InternetDetailsContentManagerTest
Change-Id: Id14f57fe63b9b9c41cee970cfb5408b0b1b76d14