Restart wificond when zygote died

This helps to avoid tearDownInterfaces call from WiFiStateMachine's
constructor.

Bug: 33752168
Test: on device

(cherry picked from commit 0db195d0757e36c73b9da5a95d9b9986386f0f2e)

Change-Id: I55f56dd8daa5089073ff8dd424e92d09326c7d00
4 files changed