This fixes several spelling issues identified by codepsell. In some
cases, I may have manually modified a line to make the output more clear
or to correct grammatical issues which were obvious in the codespell
output.
Later changes in this chain will provide the codespell config used to
generate this, as well as adding this commit's SHA, once landed, to a
.git-blame-ignore-revs file to ensure it will not pollute git historys
for modern clients.
Related-Bug: 2047654
Change-Id: I240cf8484865c9b748ceb51f3c7b9fd973cb5ada
36e5993a04