Google Plans Desktop Search Tool for Apple PCs  LOS ANGELES (Reuters) - Google Inc. &lt;A HREF="http://www.reuters.co.uk/financeQuoteLookup.jhtml?ticker=GOOG.O qtype=sym infotype=info qcat=news"&gt;GOOG.O&lt;/A&gt; plans to  release a version of its desktop search tool for computers  running on the Mac operating system from Apple Computer Inc.  &lt;A HREF="http://www.reuters.co.uk/financeQuoteLookup.jhtml?ticker=AAPL.O qtype=sym infotype=info qcat=news"&gt;AAPL.O&lt;/A&gt;, Google chief executive Eric Schmidt said on Friday.