Default Starlark value of fields final_proguard_output_map and java_s…

…ource_jar to None.

This is to prevent breaking all the existing AndroidDexInfo usage by adding the field final_proguard_output_map

PiperOrigin-RevId: 560145595
Change-Id: I09547aa6e742327f528bf2116a85cad100f407bc

src/main/java/com/google/devtools/build/lib/starlarkbuildapi/android/AndroidDexInfoApi.java

@@ -104,15 +104,17 @@ interface Provider<FileT extends FileApi> extends ProviderApi {
                 @ParamType(type = NoneType.class),
               },
               named = true,
-              doc = "The final proguard output map."),
+              doc = "The final proguard output map.",
+              defaultValue = "None"),
           @Param(
               name = "java_resource_jar",
               allowedTypes = {
                 @ParamType(type = FileApi.class),
                 @ParamType(type = NoneType.class),
               },
               named = true,
-              doc = "The final Java resource jar."),
+              doc = "The final Java resource jar.",
+              defaultValue = "None")
         },
         selfCall = true)
     @StarlarkConstructor