JobStore: persist unwanted set of capabilities

Network request may contain list of required capabilities and list
of capabilities that network shouldn't have in order to satisfy the
request (unwanted).

Bug: 72828388

Test: runtest -x frameworks/base/services/tests/servicestests/ -c
com.android.server.job.JobStoreTest

Change-Id: I47dbfc7ad23e3d6903272155d6aaa294ff81586a