Remove visibility for rootcanal am: a704b6efbf am: d072b4b016 am: b8e87d598d

Original change: https://android-review.googlesource.com/c/platform/external/python/pybind11/+/2511955

Change-Id: Ia043e3213f16292cbd8ae115316d1ffe0f53ad82
Signed-off-by: Automerger Merge Worker <[email protected]>