chnages due to the file location of current sdk file formats

components/mobile-plugins/android-plugin/org.wso2.carbon.device.mgt.mobile.android.emulator/src/main/java/org.carbon.android.emulator/TryIt.java

@@ -814,6 +814,7 @@ public class TryIt {
      * @param fileName name of the file to set execution permission.
      */
     private void setExecutePermission(String fileName) {
+        if (new File((fileName)).exists()) {
             if (!new File(fileName).canExecute()) {
                 if (!new File(fileName).setExecutable(true)) {
                     System.out.println("Unable to set the execute permission of : " + fileName);
@@ -822,6 +823,9 @@ public class TryIt {
                     System.exit(1);      // if can't execute, unable to proceed
                 }
             }
+        } else {
+            System.out.println("WARN : " + fileName + " does not exists");
+        }
     }
 
     /**