Support leap second change event
(1) Info will be available in location api and location
client api
(2) Engine hub aggregator will use the info to calculate
UTC timestamp
Change-Id: Ie79c1a38301fa094134a4a31af424487758343f6
CRs-fixed: 2289457
1. Add new data structures to hold the Ephemeris reports.
2. Modifications to SV Poly structure to include delete flags.
3. Add SV_POLY bit to GnssAidingDataSvMask to support
delete commands from modem for poly and ephemeris per constellation.
4. Define LocApiBase and LocAdapter functions to report the
ephemeris content, request for complete valid ephemeris and
Poly content at any time and report delete commands from modem
on Ephemeris and Poly content.
CRs-Fixed: 2301149
Change-Id: If36e87c410c3204c94a6ed7db30f297edba95508
1: GNSS adapter change to block out position and SV report from
ULP when engine hub aggregator is used
2: Support unpropagated position report
Change-Id: Id0cacd87d3f3f8eec893d751b9f7a55a736a4023
CRs-fixed: 2210253
(1) allow engine hub to be able to receive connectivity
status update
(2) fix kw warning in LocIpc.h
Change-Id: I62ac534639003051a8992c143ff273d5ff66ee5a
CRs-fixed: 2198446
