clang-format: Allow breaking between trailing annotations in more cases.

Before:
  void aaaaaaaaaaaaaa(aaaaaaaa aaa) override AAAAAAAAAAAAAAAAAAAAAAAA(
      aaaaaaaaaaaaaaa);

After:
  void aaaaaaaaaaaaaa(aaaaaaaa aaa) override
      AAAAAAAAAAAAAAAAAAAAAAAA(aaaaaaaaaaaaaaa);

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@205846 91177308-0d34-0410-b5e6-96231b3b80d8