add ID as a special acronym to objc property declaration check for property...

add ID as a special acronym to objc property declaration check for property names like bundleID.allow using acronyms as suffix.

Reviewers: benhamilton, hokein

Reviewed By: benhamilton

Subscribers: klimek, cfe-commits

Differential Revision: https://reviews.llvm.org/D42143

llvm-svn: 322602