commit 0bfcab28f4c9037c10577c025ba731af00adc8b4
author Jimmy Chen <jimmycmchen@google.com> Tue Dec 08 01:43:54 2020 +0800
committer Jimmy Chen <jimmycmchen@google.com> Wed Dec 09 09:53:57 2020 +0000
tree 2165c86738e44c66e6b457a7a7290d2b8186effa
parent 9a0072df2b050ad50d2d98e21e25fc48142d3469

wifi: delay Wifi Off till IMS network is lost and IMS is unregistered.

When IMS is registered over WLAN, it can be tear down by either
wifi off or Airplane Mode on. During Wifi Off, RegistrationCallback
.onUnregistered() is triggered first and NetworkCallback.onLost() is
triggered later. But, during airplane mode On, NetworkCallback.onLost()
is called first and RegistrationCallback.onUnregistered() is
triggered later.

Thus, wifi shall start tear down once both the callbacks are
received to confirm IMS PDN tear down is complete.

Bug: 174012211
Test: atest FrameworksWifiTests
Signed-off-by: Purushottam Kushwaha <quic_pkushwah@quicinc.com>
Change-Id: Iafb710ccd41633941dca3a1638e2f20bdb081eb3