title: 'Couldn't load RSSupport: findLibrary returned null' when using RenderScript on 2.3 emulator
body: <p>RenderScript doesn't work on the Android 2.3 emulator.</p>
  
  <pre><code>04-04 15:37:39.146: W/dalvikvm(863): Unable to resolve superclass of Landroid/support/v8/renderscript/RenderScript$2; (316)
  04-04 15:37:39.146: W/dalvikvm(863): Link of class 'Landroid/support/v8/renderscript/RenderScript$2;' failed
  04-04 15:37:39.146: E/dalvikvm(863): Could not find class 'android.support.v8.renderscript.RenderScript$2', referenced from method android.support.v8.renderscript.RenderScript.setErrorHandler
  04-04 15:37:39.146: W/dalvikvm(863): VFY: unable to resolve new-instance 890 (Landroid/support/v8/renderscript/RenderScript$2;) in Landroid/support/v8/renderscript/RenderScript;
  04-04 15:37:39.146: D/dalvikvm(863): VFY: replacing opcode 0x22 at 0x0009
  04-04 15:37:39.146: D/dalvikvm(863): VFY: dead code 0x000b-0012 in Landroid/support/v8/renderscript/RenderScript;.setErrorHandler (Landroid/support/v8/renderscript/RenderScript$RSErrorHandler;)V
  04-04 15:37:39.146: W/dalvikvm(863): Unable to resolve superclass of Landroid/support/v8/renderscript/RenderScript$1; (317)
  04-04 15:37:39.146: W/dalvikvm(863): Link of class 'Landroid/support/v8/renderscript/RenderScript$1;' failed
  04-04 15:37:39.146: E/dalvikvm(863): Could not find class 'android.support.v8.renderscript.RenderScript$1', referenced from method android.support.v8.renderscript.RenderScript.setMessageHandler
  04-04 15:37:39.146: W/dalvikvm(863): VFY: unable to resolve new-instance 889 (Landroid/support/v8/renderscript/RenderScript$1;) in Landroid/support/v8/renderscript/RenderScript;
  04-04 15:37:39.156: D/dalvikvm(863): VFY: replacing opcode 0x22 at 0x0009
  04-04 15:37:39.156: D/dalvikvm(863): VFY: dead code 0x000b-0012 in Landroid/support/v8/renderscript/RenderScript;.setMessageHandler (Landroid/support/v8/renderscript/RenderScript$RSMessageHandler;)V
  04-04 15:37:39.156: E/RenderScript_jni(863): No GC methods
  04-04 15:37:39.166: W/dalvikvm(863): threadid=1: thread exiting with uncaught exception (group=0x40015560)
  04-04 15:37:39.166: W/System.err(863): android.support.v8.renderscript.RSRuntimeException: Error loading RS jni library: java.lang.UnsatisfiedLinkError: Couldn't load RSSupport: findLibrary returned null
  04-04 15:37:39.176: W/System.err(863):  at android.support.v8.renderscript.RenderScript.create(RenderScript.java:945)
  04-04 15:37:39.176: W/System.err(863):  at android.support.v8.renderscript.RenderScript.create(RenderScript.java:982)
  04-04 15:37:39.176: W/System.err(863):  at android.support.v8.renderscript.RenderScript.create(RenderScript.java:968)
  </code></pre>
  
  <p>I'm using RenderScript support library with <strong>SDK Tools 22.6.2, Build-tools 19.0.3</strong>. It works well on the 4.1 device, and even on the 2.3 device.</p>
  
  <p>project.properties</p>
  
  <pre><code>target=android-19
  renderscript.target=19
  renderscript.support.mode=true
  sdk.buildtools=19.0.3
  </code></pre>
  
  <p>I tried to lower the Build-tools version, but the project won't build with <code>RenderScript support mode requires Build-Tools 19.0.3 or later.</code> error.</p>
  
  <p>If I copy the <code>.so</code> files to the <code>libs</code> directory, it starts complaining about the duplicated file. </p>
  
  <p><code>Error generating final archive: Found duplicate file for APK: lib/armeabi-v7a/librsjni.so</code></p>
  
  <p>I'm new to using RenderScript. Any suggestions?</p>