Update R8 rules for JNA.

Author: msimonides-proton

app/proguard-rules.pro

@@ -95,11 +95,8 @@
 # https://github.com/java-native-access/jna/blob/master/www/FrequentlyAskedQuestions.md#jna-on-android
 -dontwarn java.awt.*
 -keep class com.sun.jna.* { *; }
+-keep class * extends com.sun.jna.* { *; }
 -keepclassmembers class * extends com.sun.jna.* { public *; }
-# Annotated interfaces (including methods which are also kept in implementing classes)
--keep @com.sun.jna.Structure.FieldOrder interface * {
-    *;
-}
 
 # Missing classes from dependencies.
 # This is generated automatically by the Android Gradle plugin.
@@ -145,4 +142,4 @@
 -dontwarn java.awt.Window
 -dontwarn lombok.Generated
 -dontwarn org.xbill.DNS.spi.DnsjavaInetAddressResolverProvider
--dontwarn sun.net.spi.nameservice.NameServiceDescriptor
+-dontwarn sun.net.spi.nameservice.NameServiceDescriptor