fix: proguard builds (#1887)

Author: triniwiz

test-app/app/build.gradle

@@ -1154,7 +1154,7 @@ tasks.configureEach({ DefaultTask currentTask ->
 
 //    // ensure buildMetadata is done before R8 to allow custom proguard from metadata
     if (currentTask =~ /minify.*WithR8/) {
-        buildMetadata.finalizedBy(currentTask)
+   //     buildMetadata.finalizedBy(currentTask)
     }
     if (currentTask =~ /assemble.*Debug/ || currentTask =~ /assemble.*Release/) {
         currentTask.finalizedBy("validateAppIdMatch")

test-app/runtime/build.gradle

@@ -126,6 +126,8 @@ android {
                 abiFilters 'x86', 'x86_64', 'armeabi-v7a', 'arm64-v8a'
             }
         }
+
+        consumerProguardFiles 'consumer-rules.pro'
     }
 
     compileOptions {

test-app/runtime/consumer-rules.pro

@@ -0,0 +1,11 @@
+# Keep all runtime classes
+-keep class com.tns.* { *; }
+
+# Keep SBG-generated classes
+-keep class com.tns.gen.** { *; }
+
+# Keep internal support/runtime classes
+-keep class com.tns.internal.** { *; }
+
+# Preserve annotation metadata so reflection sees them
+-keepattributes RuntimeVisibleAnnotations