Camera: Extend camera characteristics test case

Verify that device implementations do not set the
new privacy characteristics key:
ANDROID_REQUEST_CHARACTERISTIC_KEYS_NEEDING_PERMISSION
As required by API contract.

Bug: 112160024
Bug: 115969437
Test: vts-tradefed run commandAndExit vts --skip-all-system-status-check
--skip-preconditions --module VtsHalCameraProviderV2_4Target -l INFO

Change-Id: I8d8f0d0e1cdec24117d47e7ae45602f56573376f