Add per-display stack queries. Bug: 144499295 Test: existing tests pass. Change-Id: I5295c3bed7e0e5f1eae184b8b13dc518dee8c122
Add per-display stack queries. Bug: 144499295 Test: existing tests pass. Change-Id: I5295c3bed7e0e5f1eae184b8b13dc518dee8c122