separated utils, core, ds and loc-api-v02 from loc-hal into their
own independent packages; simplified loc-pla; moved pla to the
root of project; removed loc-stub.
Change-Id: I373f02f9306646addf55ae90d71c4ba8e3741d09
CRs-Fixed: 2172544
Fix compilation errors in LE for changes in adding
DataItemObserver interface in SystemStatus.
Change-Id: I7f2987672818d9f4ff9db801b55ade6fcdfd9a7d
CRs-Fixed: 2081242