Use the default refresh interval if SES doesn't provide it.

Bug: 276915230
Test: atest com.android.server.wifi, atest android.net.wifi
Change-Id: I485d8ccce2a98a5e0d7df007032aae558d36439a
Merged-In: I485d8ccce2a98a5e0d7df007032aae558d36439a
2 files changed