clang-format: Improve formatting of nested builder-type calls.

Before:
  f(FirstToken->WhitespaceRange.getBegin().getLocWithOffset(
      First->LastNewlineOffset));

After:
  f(FirstToken->WhitespaceRange.getBegin()
        .getLocWithOffset(First->LastNewlineOffset));

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@216377 91177308-0d34-0410-b5e6-96231b3b80d8