HALO: halo performance, batch revamp

Change-Id: I9b782315932372f85b9c20607c13506d0e10b99a
HALO: Bug Fixes

Change-Id: Ia4605221b9a809e67d30f5e8ad06118dfa270659
HALO: Protected lockscreen - do not ping on unlock if silenced

Change-Id: Ia64689819884977a30691b81b95454bf9c6a2009