Enable covergae for ike.jar which will be in mainline module IPsec(IKE)

Enable jacoco for ike.jar to set up code coverage. ike will be
shipped in mainline module com.android.ipsec

Bug: 146012420
Test: m EMMA_INSTRUMENT=true EMMA_INSTRUMENT_FRAMEWORK=true SKIP_BOOT_JARS_CHECK=true WITH_DEXPREOPT=false
Change-Id: I886551d980c0d9651b11c80051f17609bb3531d8