Add Network Watchlist adb test commands

- Add shell command to set temp watchlist config for (CTS/GTS) tests
- Device will no longer use temp watchlist config after reboot
- Temp watchlist config will be removed after reboot
- Temp watchlist config will be applied on testOnly app only

Bug: 63908748
Test: Able to boot
Change-Id: I7dcc6637676c1871ef8fdb637d3d98d0ce78ce36