Remove choose activity type dialog beore starting a new one. Remove clear button next to text edit for api level < 11

MyTracks/src/com/google/android/apps/mytracks/util/Api8Adapter.java

@@ -144,6 +144,11 @@ public class Api8Adapter implements ApiAdapter {
     return true;    
   }
   
+  @Override
+  public boolean showEditTextClearButton() {
+    return false;
+  }
+  
   @Override
   public void setTabBackground(TabWidget tabWidget) {
     // Do nothing