add java android demo (#1454)

android/SherpaOnnxJavaDemo/sherpa/build.gradle

@@ -0,0 +1,43 @@
+plugins {
+    id 'com.android.library'
+}
+
+android {
+    namespace 'com.k2fsa.sherpa'
+    compileSdk 34
+
+    defaultConfig {
+        minSdk 26
+        targetSdk 27
+        versionCode 1
+        versionName "1.0"
+        missingDimensionStrategy 'base', 'feature1'
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+
+//    implementation "androidx.appcompat"
+//    implementation libs.material
+//    testImplementation libs.junit
+//    androidTestImplementation libs.androidx.test.ext.junit
+//    androidTestImplementation libs.espresso.core
+    implementation 'androidx.appcompat:appcompat:1.6.1'
+    implementation 'com.google.android.material:material:1.9.0'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+
+}