add TODO for android projects, update .api files readme

modules/mockk-agent/api-old/readme.md

@@ -1,13 +1,14 @@
 This directory contains the `.api` files from the unmerged mockk subprojects.
 
-During the update, the 3 `mockk-agent` subprojects were merged into one Kotlin Multiplatform 
+During the update, the 3 `mockk-agent` subprojects were merged into one Kotlin Multiplatform
 subproject. Previously each subproject had a separate `.api` file, but now there is just one -
 [`mockk-agent/api/mockk-agent.api`](../api/mockk-agent.api)
 
-I've include the unmerged files here for easy comparison with the new `.api` file, and merged them 
+I've included the unmerged files here for easy comparison with the new `.api` file, and merged them
 together into [`mockk-agent/api-old/mockk-agent.api`](./mockk-agent.api), so it's easy to diff them.
 
-The only change is that one segment is in a different location.
+The only change is that one segment, `ValueClassSupportKt`, is in a different location within the
+`.api` file - I don't think this is significant.
 
 ```none
 public final class io/mockk/ValueClassSupportKt {

settings.gradle.kts

@@ -7,6 +7,8 @@ dependencyResolutionManagement {
     rulesMode.set(RulesMode.PREFER_SETTINGS)
 }
 
+// TODO re-enable Android subprojects
+
 //pluginManagement {
 //    repositories {
 //        google()