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

Before:
  aaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaa().aaaaaaaaaaaaaaaaa().has<
      bbbbbbbbbbbbbbbbbbbbb>();

After:
  aaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaa()
      .aaaaaaaaaaaaaaaaaaaaaaaaaa()
      .has<bbbbbbbbbbbbbbbbbbbbb>();

llvm-svn: 192981