Wifi: defer turning wifi off for IMS deregistration

If there is on-going vowifi connection and no data connection
available, Wifi off action must be deferred to wait for
IMS deregistration gracefully if requested by the carrier.

Bug: 142750916
Test: atest FrameworksWifiTests
Change-Id: I8018c9c83fc5ab8f39ac2865d2974969b9383f3e
2 files changed
tree: d4a4c49c902fd642096f5a923f0bde494abed727
  1. apex/
  2. service/
  3. PREUPLOAD.cfg