competition update

language_model/runtime/device/android/wenet/build.gradle

@@ -0,0 +1,21 @@
+buildscript {
+    repositories {
+        google()
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:4.1.3'
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        jcenter()
+        maven { url 'https://jitpack.io' }
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}