FR47367: Location client API for External AP

(1) In location data struct, change size_t to uint32_t as size_t
is machine dependent and can not be sent as part of payload
to the other processor.
(2) Change LocIpc ifdef to match with the file name

Change-Id: Ia3f029641106a547e18904be1e3fb56ec09de569
CRs-fixed: 2367517
4 files changed