Added more functionality to PrivacyRules class as part of Parsing rules to hashtable

Change-Id: I57680b2888903e4619d7bba03e1c9336bc078662
Merge branch 'jb-privacy' of https://github.com/nesl/platform_frameworks_native into jb-privacy

Conflicts:
	services/sensorservice/FirewallConfigUtils-inl.h

Change-Id: I9835895b3666dcdd0c5852ff960fdac34ad39f14