Convert the following unit tests (and libraries) from SConscript to Bazel:

• mongo/db/admission/ingress_admission_control_test
• mongo/db/admission/throughput_probing_test
• mongo/db/exec/sbe/abt_lower_test
• mongo/db/matcher/db_matcher_test
• mongo/db/pipeline/document_source_mock
• mongo/db/pipeline/db_pipeline_test
• mongo/db/pipeline/expression_bm_fixture
• mongo/db/pipeline/process_interface/process_interface_test
• mongo/db/query/db_query_test
• mongo/db/query/query_bm_constants
• mongo/db/query/query_bm_fixture
• mongo/db/query/plan_cache/plan_cache_test_util

(more tests may be added here while this ticket is in progress)