JAVA-API: Manual Library Loading Support for Restricted Environments (#2253)

* feat: Added LibraryLoader that allows loading to be skipped

* feat: Changed static call to new LibraryLoader

* feat: Makefile adjustment

sherpa-onnx/java-api/src/com/k2fsa/sherpa/onnx/OfflineStream.java

@@ -3,13 +3,10 @@
 package com.k2fsa.sherpa.onnx;
 
 public class OfflineStream {
-    static {
-        System.loadLibrary("sherpa-onnx-jni");
-    }
-
     private long ptr = 0;
 
     public OfflineStream() {
+        LibraryLoader.maybeLoad();
         this.ptr = 0;
     }