clang-format: [Java] Wrap after each function annotation.

Before:
  @Override public String toString() { .. }

After:
  @Override
  public String toString() { .. }

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@220274 91177308-0d34-0410-b5e6-96231b3b80d8