Fix agents disconnecting in SUSPENDED state.

Network state is not changed to disconnected when a networkagent
is disconnected and network state is SUSPENDED.

So the function requiresClat return true. Clat is not stoped.

Bug: 277682237
Test: atest FrameworksNetTests
(cherry picked from https://android-review.googlesource.com/q/commit:fd5d3d90e1da7411104902ddfe859ebd0e4a02fb)
Merged-In: I5edfcf64aca5d2d34325d722dd29fab41bcf2600
Change-Id: I5edfcf64aca5d2d34325d722dd29fab41bcf2600
3 files changed