Revert "Many operations could have been const"

This reverts commit f9a925d90b0f47fdbbb9dba3889bfdab5de60931.

Reason for revert: Build breakage (some boot tests failing)

I do not believe this to be the core cause of the failure, but tests
pass with the revert.

Bug: 129879895
Change-Id: I4d474de67c6c56f240b9edf42e14f57b185ad5c3
14 files changed