Remove visibility for rootcanal am: a704b6efbf am: d072b4b016

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

Change-Id: I1bf065aea5ed7c8a1db3886214f4272ac1d1744a
Signed-off-by: Automerger Merge Worker <[email protected]>