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
NMEA generation logic needs to be reused across the
interface boundaries. Moved this logic inside utils.
Change-Id: Icb5c6fbc38b178c5edea468d26286e21749bfbfb
CRs-Fixed: 1098734