Add HAL changes for EV_CURRENT_BATTERY_CAPACITY

Bug: 259451992
Test: atest VtsHalAutomotiveVehicle_TargetTest
      atest CtsCarTestCases:CarPropertyManagerTest
      atest CtsCarTestCases:VehiclePropertyIdsTest
Change-Id: Iafc291171e4ae571e5ca90715ea70d40208da144
8 files changed