OkHttpUtils: change useragent to Husky

app/build.gradle

@@ -27,6 +27,7 @@ android {
 
         resValue "string", "app_name", APP_NAME
 
+	buildConfigField("String", "APPLICATION_NAME", "\"$APP_NAME\"")
         buildConfigField("String", "CUSTOM_LOGO_URL", "\"$CUSTOM_LOGO_URL\"")
         buildConfigField("String", "CUSTOM_INSTANCE", "\"$CUSTOM_INSTANCE\"")
         buildConfigField("String", "SUPPORT_ACCOUNT_URL", "\"$SUPPORT_ACCOUNT_URL\"")

app/src/main/java/com/keylesspalace/tusky/util/OkHttpUtils.java

@@ -76,7 +76,7 @@ public class OkHttpUtils {
         return chain -> {
             Request originalRequest = chain.request();
             Request requestWithUserAgent = originalRequest.newBuilder()
-                    .header("User-Agent", "Tusky/"+ BuildConfig.VERSION_NAME+" Android/"+Build.VERSION.RELEASE)
+                    .header("User-Agent", BuildConfig.APPLICATION_NAME + "/"+ BuildConfig.VERSION_NAME+" Android/"+Build.VERSION.RELEASE)
                     .build();
             return chain.proceed(requestWithUserAgent);
         };