[ndk][refactor] Rename tags

Author: wintmain

app-catalog/samples/ndk/hellojni/src/main/java/com/wintmain/hellojni/HelloJni.kt

@@ -22,7 +22,7 @@ import com.google.android.catalog.framework.annotations.Sample
 import com.wintmain.hellojni.databinding.ActivityHelloJniBinding
 
 @Sample(name = "hellojni", description = "JNI第一个demo示例",
-    documentation = "", tags = ["android-samples", "NDK"])
+    documentation = "", tags = ["android-samples", "jni"])
 class HelloJni : AppCompatActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {

app-catalog/samples/ndk/hellojnicallback/src/main/java/com/wintmain/hellojnicallback/JniCallbackMainActivity.java

@@ -24,7 +24,7 @@
 
 @Sample(name = "JniCallback",
         description = "JNI执行逻辑在C里面",
-        tags = {"android-samples", "NDK"})
+        tags = {"android-samples", "jni"})
 public class JniCallbackMainActivity extends AppCompatActivity {
 
     String hour = "00";