tests: Add testing for ' )' and '( ' in test_code_style

Add a new rule for this test which verifies if there are no spaces
inside parentheses. Changes in source files were made automatically using:

  sed -i -e 's/ )/)/' src/*/*
  sed -i -e 's/( /(/' src/*/*

Change-Id: I813d7b4e508f825df360d44359b4fe739351d908