Use aar in Android Java demo. (#1616)

android/SherpaOnnxJavaDemo/app/build.gradle

@@ -8,7 +8,7 @@ android {
     defaultConfig {
         applicationId "com.k2fsa.sherpa.onnx"
         minSdk 28
-        targetSdk 32
+        targetSdk 34
         versionCode 1
         versionName "1.0"
 
@@ -25,17 +25,14 @@ android {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
-    sourceSets.main{
-        jniLibs.srcDirs = ['jniLibs']
-    }
 }
 
 dependencies {
-
     implementation 'androidx.appcompat:appcompat:1.3.1'
     implementation 'com.google.android.material:material:1.3.0'
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
     implementation 'pub.devrel:easypermissions:3.0.0'
-    implementation project(path: ':sherpa')
-
-}
+    implementation 'androidx.core:core-ktx:1.7.0'
+    // implementation files('/Users/fangjun/open-source/sherpa-onnx/android/SherpaOnnxAar/sherpa_onnx/build/outputs/aar/sherpa_onnx-release.aar')
+    implementation 'com.github.k2-fsa:sherpa-onnx:master-SNAPSHOT'
+}