[piav2] Ensure correct originatingUid is set while installing

Intent sent to PIA wont always contain the ORIGINATING_UID as an extra.
Use the originatingUid Pia computes in the sessionparams

Bug: 329742445
Test: atest CtsPackageInstallTestCases:IntentTest

Change-Id: Id86106cae12de02b867d9b6f4a12ac8b3fed54c2
1 file changed