Upgrade wpiformat and use clang-format's include sorting (#8350)

This PR also uses the newly added -default-branch flag to generate the list of changed files with respect to the correct branch (2027).

ntcoreffi/.styleguide

@@ -15,12 +15,6 @@ repoRootNameOverride {
   ntcoreffi
 }
 
-includeOtherLibs {
-  ^fmt/
-  ^gmock/
-  ^gtest/
-}
-
 includeGuardRoots {
   ntcoreffi/src/main/native/include/
 }