Docs: Removing targets and external-link icons from hyperlinks

Change-Id: I0b71af5deeaa8a36162eaea763540be2f3bf0dbd
Bugs: 17450294,17457226

Conflicts:
	src/source/developing.jd
diff --git a/src/devices/audio_debugging.jd b/src/devices/audio_debugging.jd
index ebab35b..7ac3a53 100644
--- a/src/devices/audio_debugging.jd
+++ b/src/devices/audio_debugging.jd
@@ -157,7 +157,7 @@
 
 <p>
 The standard Java language logging API in Android SDK is
-<a class="external-link" href="http://developer.android.com/reference/android/util/Log.html" target="_android">android.util.Log</a>.
+<a href="http://developer.android.com/reference/android/util/Log.html">android.util.Log</a>.
 </p>
 
 <p>