Docs: Fixing typo in "Testing from Other IDEs" article

Fixing typo in Dev Guide article: 'android update-test-project'
should be 'android update test-project'.

Change-Id: Ie42a0b627d30d2a72fa081ca13bceaacdfd5aa03
http://developer.android.com/guide/developing/testing/testing_otheride.html

Author: tjohns

docs/html/guide/developing/testing/testing_otheride.jd

@@ -209,7 +209,7 @@ $ android create test-project -m ../HelloAndroid -n HelloAndroidTest -p HelloAnd
 <p>
   To update a test project with the <code>android</code> tool, enter:
 </p>
-<pre>android update-test-project -m &lt;main_path&gt; -p &lt;test_path&gt;</pre>
+<pre>android update test-project -m &lt;main_path&gt; -p &lt;test_path&gt;</pre>
 
 <table>
     <tr>