Add GetLocationLowPower VTS 2.0 test

- Run test only if LOW_POWER_MODE capability is supported.
- Modify the corresponding VTS 1.1 test to run only if the GNSS
  HAL version is 1.1.

Fixes: 127434062
Test: atest VtsHalGnssV2_0Target
Change-Id: Icbd18d80468e9e5a542f2eace5bfbe45af08ca47
Merged-In: Icbd18d80468e9e5a542f2eace5bfbe45af08ca47
(cherry picked from commit 03bc98e0)