[clang-format] [NFC] clang-format the Format library
Previously revisions commited non-clang-formatted changes to the Format library, this means submitting any revision e.g. D55170: [clang-format]: Add NonEmptyParentheses spacing option can cause additional whitespace changes to potentially be included in a revision.
Commit a non functional change using latest build Windows clang-format r351376 with no other changes, to remove these differences
pass [==========] 652 tests from 20 test cases ran.