[automerger skipped] Merge "Visualizer: Ensure multi-thread safety" into rvc-dev am: 6332f7786c am: a2b2f3f396 am: 4c224e4667 am: e90c8cbaa6 -s ours

am skip reason: Change-Id I50752fad02f2a23ed8d0368b2550dbf7f879a706 with SHA-1 f8213b3aee is in history

Change-Id: I941e2e1911ab0516fa1be6313da72200305f51ba