deprecate KEY_CARRIER_FORCE_DISABLE_ETWS_CMAS_TEST_BOOL

deprecate KEY_CARRIER_FORCE_DISABLE_ETWS_CMAS_TEST_BOOL. This is
only used for cellbroadcast receiver and move to resource overlay
show_test_settings

Bug: 141579944
Bug: 62016498
Bug: 141772296
Test: Build
Change-Id: I64762d9d7e5857dd2a9da1de4fa99e505a034887