Misc fix on network & internet screen for developer preview

- Move wifi calling into wifi preference screen
- Update tethering setting title
- Ripple for master swtich preference only apply on the left half.
- Move network reset to action bar overflow menu

Fix: 34974598
Fix: 34976385
Test: RunSettingsRoboTests
Change-Id: I0e11843efc52a0042784a4da46b7ac81fcf16138