Add test for getDeprecationTime and getExpirationTime

Add for cts coverage for system API

Bug: 139268426
Bug: 135998869
Test: atest FrameworksNetTests
Test: atest CtsNetTestCasesLatestSdk:android.net.LinkAddressTest
Change-Id: I64cd2c914f2da71383af7cdef2cf64c60a7d268c
1 file changed