cpplint: fix and enable whitespace/newline

Done with a combination of:
sed -i 'N;s|\(^ *// .*\)\n\( *else.*\)|\2\n\1|;P;D' $i
sed -i 'N;s|\(^ */\* .*\)\n\( *else.*\)|\2\n\1|;P;D' $i
sed -i 'N;s|\(^ */\*\* .*\)\n\( *else.*\)|\2\n\1|;P;D' $i
sed -i 'N;s|\(^ *\* .*\)\n\( *else.*\)|\2\n\1|;P;D' $i

+ repo upload formatter

Bug: 364967694
Test: m .
Flag: Exempt refactor
Change-Id: Ie1af09932f2508da5ed94c625b8c4052ab2c1e78