Commit
cc175c2cc8e638462bab74e0781e06f9b6eb5017
by alexfhSupport ObjC in IncludeInserter
Update IncludeSorter/IncludeInserter to support objective-c google style (part 1):
1) Correctly consider .mm/.m extensions
2) Correctly categorize category headers.
3) Add support for generated files to go in a separate section of imports
Reviewed By: alexfh, gribozavr2
Patch by Joe Turner.
Differential Revision: https://reviews.llvm.org/D89276