Merge "Add proguard rules for TcUtils" am: c060c2dd46

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1955580

Change-Id: Icd03c82e76bb457df29569d3a2bc09ad559bee39
diff --git a/Tethering/proguard.flags b/Tethering/proguard.flags
index f62df7f..6735317 100644
--- a/Tethering/proguard.flags
+++ b/Tethering/proguard.flags
@@ -8,6 +8,10 @@
     native <methods>;
 }
 
+-keep class com.android.networkstack.tethering.util.TcUtils {
+    native <methods>;
+}
+
 -keepclassmembers public class * extends com.android.networkstack.tethering.util.Struct {
     *;
 }