Update proguard-rules.pro

app/proguard-rules.pro

@@ -234,7 +234,7 @@
 
 ## 保证该私有变量不被混淆
 -keepclassmembers class com.google.android.exoplayer2.upstream.cache.CacheDataSource$Factory {
-    upstreamDataSourceFactory;
+    *** upstreamDataSourceFactory;
 }
 
 ## 对外提供api