Add API to get version information (#2309)

sherpa-onnx/java-api/Makefile

@@ -8,6 +8,7 @@ package_dir := com/k2fsa/sherpa/onnx
 
 java_files := LibraryLoader.java
 
+java_files += VersionInfo.java
 java_files += WaveReader.java
 java_files += WaveWriter.java
 java_files += EndpointRule.java

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

@@ -0,0 +1,23 @@
+package com.k2fsa.sherpa.onnx;
+
+public class VersionInfo {
+
+    public static String getVersion() {
+        LibraryLoader.maybeLoad();
+        return getVersionStr2();
+    }
+
+    public static String getGitSha1() {
+        LibraryLoader.maybeLoad();
+        return getGitSha12();
+    }
+
+    public static String getGitDate() {
+        LibraryLoader.maybeLoad();
+        return getGitDate2();
+    }
+
+    private static native String getVersionStr2();
+    private static native String getGitSha12();
+    private static native String getGitDate2();
+}