Included are additional automated edits by clang-format on import.

Merge d74896699faacc4a1667603e52e72cbdc8006cf6 into 22091f4c

Merging this change closes #1500

COPYBARA_INTEGRATE_REVIEW=https://github.com/abseil/abseil-cpp/pull/1500 from ryandesign:MAP_ANONYMOUS d74896699faacc4a1667603e52e72cbdc8006cf6
PiperOrigin-RevId: 552922776
Change-Id: I96a0395cb5e7156d7c7a889491c5d0b4cf755819