tree 2165c86738e44c66e6b457a7a7290d2b8186effa
parent 9a0072df2b050ad50d2d98e21e25fc48142d3469
author Jimmy Chen <jimmycmchen@google.com> 1607363034 +0800
committer Jimmy Chen <jimmycmchen@google.com> 1607507637 +0000

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